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)行接地電阻測量,解決了現(xiàn)有測量方法中所存在的最大弊端。 - The Main Points of Technique to Defend the Lightningproof Downlead Port Laid near the Ground
明敷防雷引下線近地端防護(hù)技術(shù)要點(diǎn) - antenna downlead
天線下引線 返回 downlead