micrometer calipers meaning in English

分厘卡, 分厘卡尺, 外径测微器
螺旋测径器
千分尺
千分卡尺

The traditional detecting missing holes on auto - carling is carried on through a artificial way . mainly , the workers detect the missing holes through compared auto - carling with the standard autocad blueprint and use micrometer calipers to measure the positions of holes
传统汽车纵梁漏孔检测主要以人工方式进行:检测工人把纵梁和标准纵梁autocad图纸进行比对来检测是否有漏孔、用千分尺等工具手动测量孔心位置是否合乎要求。