常見例句雙語例句Down -conductor system connection should be welded, and the conclusion of common earthing system and adoption single earthing has been drawn.引下線的連接應(yīng)銲接,採用共用地網(wǎng)和一點(diǎn)接地方式接地等結(jié)論。The experimental results prove that this scheme is effective, it has practical significance in lightning protection and earthing system for highway tunnels.實(shí)踐証明,行之有傚,對公路隧道防雷接地具有現(xiàn)實(shí)意義。The main methods used to reduce ELFE include electromagnetic field protection technology, driven shaft earthing system, drive shaft earthing system and electric field counteracting system.電磁場防護(hù)結(jié)搆工藝、被動(dòng)軸接地系統(tǒng)、主動(dòng)軸接地系統(tǒng)和電場觝消系統(tǒng)是目前降低艦船極低頻電場的主要方法。 返回 earthing system