double-point toothing的意思|示意
美 / /
英 / /
双头啮合
double-point toothing的网络常见释义
双点啮合 ... double-point toothing 双点啮合 double-pointed 双端 double-pointed tack 双尖钉 ...
double-point toothing相关短语
1、 double point toothing 双点啮合