Six - phase half wase controlled rectifier circuit is used in the power source.
該電源采用了六相半波可控整流電路.
互聯(lián)網(wǎng)
The wase water produced in petroleum exploitation brings great hazard to natural environment and human health.
石油開(kāi)發(fā)所帶來(lái)的污水給自然環(huán)境和人類(lèi)健康可能造成很大危害.
互聯(lián)網(wǎng)