例句 /

Magnetron has filamentary cathode with small time hearting, the shielded cathodic site, liquid and air cooling, and also the filter built - in by radio.

Magnetron has filamentary cathode with small time hearting, the shielded cathodic site, liquid and air cooling, and also the filter built - in by radio.

该磁控管具有加热时间短的阴极,屏蔽阴极,液体和空气冷却,内建无线电滤波。