接地引下线的验收,需测量引下线两端和引下线连接处的电气连接状况,其间直流过渡电阻值不 发布时间:2017-08-22 00:46 │ 来源:www.tikuol.com 题型:单项选择题 问题: 接地引下线的验收,需测量引下线两端和引下线连接处的电气连接状况,其间直流过渡电阻值不应大于()Ω。A、0.1B、0.2C、1D、2
题型:单项选择题 Economists attribute the world soybean boom to the rise in soybean production in China and its increased export of related products. 查看答案