earthed造句
Light fittings with metal parts should always be
earthed.
有金属部件的照明装置都应该走地线。
He carefully
earthed up the roots of the newly - planted tree.
他仔细地在新栽的树的根部培上土.
It is desirable that compensating cables be run in
earthed conduit.
补偿导线最好在地下管道中穿过.
Are the ship's main radio transmitter aerials
earthed and radars switched off?
液货船上主无线电发射机天线已接地且雷达已关掉?