与目的到发现水，在另外的行星的生活和资源，机器的采样仪器是空间探索机器人的关键部分。移开尘封、捱过的表面并且在行星的表面下面......

Hobbing is one of the crucial gear manufacturing processes with high precision and high efficiency.In order to improve t......

A unique SiC whisker wheel was invented,in which the whiskers were aligned normally to the grinding wheel surface.In thi......