GB/T 12760-2018圆柱蜗杆、蜗轮图样上应注明的尺寸数据国家标准
英文:Cylindrical worm and wormwheel information of the dimensional data to be givem on the drawing GB/T 12760-2018介绍: 国家标准...
英文:Cylindrical worm and wormwheel information of the dimensional data to be givem on the drawing GB/T 12760-2018介绍: 国家标准...