一条长1km的10kV的三芯电缆的电容量可达0.58μF,可见电缆对地存在静电耦合电 发布时间:2021-02-20 23:38 │ 来源:www.tikuol.com 题型:多项选择题 问题: 一条长1km的10kV的三芯电缆的电容量可达0.58μF,可见电缆对地存在静电耦合电容,因此采用电缆利于()。A.改善功率因数B.提高线路输送容量C.降低线路损耗D.减小接地电流
题型:多项选择题 We understand _______small changes to our land can have a big impact upon our environment __________ as we know is vulnerable enough.A.what; whichB.what; whereC.how; whereD.how; which 查看答案