semi

The semi freedom short circuit is superposed by parallel plane flow, confluence and ringy turbulence jet.

半自由状态下短路流场是平行平面流、环形紊流射流及汇流叠加而成。

Newly developed semi automatic grinding wheel balancer for precise grinder detects unbalance vibrative signal by digital phase sensitive detection technique.

介绍新研制成功精密磨床砂轮半自动平衡仪。