词汇	handpiece case assembly
释义	handpiece case assembly 机头外套组件
随便看	the working principle The Working Principle of EGR the working regime of drilling pump The working room is narrow the working seam the workings of a motor the workings of the brain the workings of the mind The working stroke times of the upper tool rest the Working Unit system the working way of pump the working women from countryside the work-integrated learning the work in universities The work is about finished The work is accomplished the work is completed The work is done The work is done slovenly The work is hard the work is held The work is not advancing The work is not easy The work is physically demanding The work is poorly executed