双向传动;
Bidirectional Drive Between Administration And Administrative Quality
管理和管理质量的双向驱动
Bidirectional Circular Tooth Gear Drive
双向圆弧齿轮传动
This paper introduces the developing of a cylindrical gear drive with dual convex-concave mesh& the bidirectional circular tooth gear drive.
本文开发研究了一种具有双重凸凹啮合的圆柱齿轮传动&双向圆弧齿轮传动。
简答网 · 高考英语
简答网 · 中考英语
简答网 · 初中英语作文