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A method to ascertain airtightness of regulable refrigeratory, airtightness material selection and a way to made air retaining wall were discussed in this paper.

论述气调气密性的法,气密材料的选择气密层的做法,介绍压法检测气调气密性的具体操作过程,并给出国内外的不同气密性标准

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belly band, belly button, belly dance, belly dancing, belly flop, belly laugh, belly out, bellyache, bellyband, bellyboard,

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3G, 401(K), a,

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Even though python's standard library is comprehensive and has so many modules for common tasks, it's not complete by any means.

python 标准很全面,并且有很用于常见任务模块,但如何都不完整。

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bellying, bellyland, belly-land, belly-landing, bellylaugh, bellypinch, bellypinched, belly-pinched, bellytank, belly-timber,

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3G, 401(K), a,
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