Earthometer
兆欧表; 接地检查器; 高阻表
🗣️ 情景例句
Oh yes, Harry.
去过了， Harry。
Opportunity makes the thief.
疏忽招盗贼。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。