The toolholding device may or may not be used for guiding or locating.

刀可能会也可能不会用来导向或者定位。

Conversance with mechanism drawing and designing tool and fixture, to be familiar with manufacture process, good communication skill, fluent English with writing and reading.

精通机械制图及工装设计制作，对制程改善有独特见解及经验；有相通、协调能力，英语读写流利。

Material removal by machining involves interaction of five elements: the cutting tool, the toolholding and guiding device, the workholder, the workpiece, and the machine.

材切削与5个因素有关：刀，刀和导向装置，工件，工件和加工机器。

The contact between welding plate and fixture is treated as constraint in the finite element model of dynamic welding angular distortion simulation for overlayer in CO2 gas arc welding.

摘要采用有限元数值模拟方法研究了CO2气体保护堆焊角变形动态过程。为了反映和焊接件接触状态，将和焊件统一建立有限元模型。