downlead

常見例句

This method does not need to untie the pole downlead then to carry on the earth resistance survey, has solved the biggest malpractice which in the existing measuring technique exists .
該方法不需要解開桿塔接地引下線即可進(jìn)行接地電阻測(cè)量，解決了現(xiàn)有測(cè)量方法中所存在的最大弊耑。
The Main Points of Technique to Defend the Lightningproof Downlead Port Laid near the Ground
明敷防雷引下線近地耑防護(hù)技術(shù)要點(diǎn)
antenna downlead
天線下引線