The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之物成像和保物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之，具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针。指焊缝线上位焊接的、贯穿管子整个壁厚的细，致流体该缓。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是类似于针镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指缝线上的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指缝线上的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针。指焊缝线上位焊接的、贯穿管子整个壁厚的细，可导慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是类似于针镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是似于针孔镜头吧)具有宽阔之景深，以具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微、扫描电、能谱分析等试验手段对铝箔中"桔瓣"形针形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针。线上位接的、贯穿管子整个壁厚的细，可导致流体该缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的(注:我猜是类似于针吧)具有宽阔之景深，以具端着丝粒的，你能够将由不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显微镜、扫描电镜、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线位焊接的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的镜头(注:我猜是类似于针孔镜头吧)具有宽阔之景深，具端着丝粒的镜头，你能够将由镜头不同距离之目标物成像和保持目标物在焦。

The formation mechanism of orange valvule-like pinhole in rolled aluminium foil was investigated by using optical microscopy,scanning electron microscopy,and energy dispersion X-ray spectrum.

利用光学显、描电、能谱分析等试验手段对铝箔中"桔瓣"形针孔形成的原因进行了分析。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体该孔缓慢漏出。

Telocentric lenses work with a wide depth of field. With a telocentric lens, you can image objects of different distances from the lens and the objects stay in focus.

具端着丝粒的头(注:我猜是类似于针孔头吧)具有宽阔之景深，以具端着丝粒的头，你能够将由头不同距离之目标物成持目标物在焦。