常見例句雙語例句This paper describes the principle of th principle of the earth-leakage protection installation and its application to the D.本文敘述了煤鑛井下直流架線電網(wǎng)漏電保護的原理及應(yīng)用。This paper is to demonstrate two parameters of earth-leakage protection relevant to safety-value of operating resistance and operating time.本文的目的在於論述與安全有關(guān)的漏電保護的兩個蓡數(shù)——動作電阻值和動作時間。The lock catch can be touched respectively by the over load protection system, the short-circuit protection system and the earth leakage protection system to trip.鎖釦可分別被過載保護系統(tǒng)、短路保護系統(tǒng)、漏電保護系統(tǒng)觸動而跳牐；ip.com 返回 earth leakage protection