单词concaved
网络: 微冲孔
The milling of high precision concaved circular surface and the selection of its parameters
高精度凹圆弧面的铣削及参数选择
Design and Application of Precision Gear Hob with Middle Concaved Involute Profile
高精度齿轮滚刀渐开线中凹齿形型线设计与应用
Study on The Quality Problem of Multi-color Concaved Printing Products
凹版彩色印刷产品质量问题的研究