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)焊接,采用共用地網(wǎng)和一點接地方式接地等結(jié)論。The experimental results prove that this scheme is effective, it has practical significance in lightning protection and earthing system for highway tunnels.實踐證明,行之有效,對公路隧道防雷接地具有現(xiàn)實意義。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)構(gòu)工藝、被動軸接地系統(tǒng)、主動軸接地系統(tǒng)和電場抵消系統(tǒng)是目前降低艦船極低頻電場的主要方法。 返回 earthing system