可控硅整流装置运行中,“停止”信号灯不亮的原因之一是()常闭接头接触不良。A.中间继 发布时间:2017-05-18 01:02 │ 来源:www.tikuol.com 题型:单项选择题 问题: 可控硅整流装置运行中,“停止”信号灯不亮的原因之一是()常闭接头接触不良。A.中间继电器B.信号继电器C.时间继电器D.干簧继电器
题型:单项选择题 用injury, harm, hurt和wound的正确形式填空1. Two football players were out of the team because of .2. It was a severe _____to her pride.3. The poor dog was licking(舔, 舐)its .4. The waste and poison may do great to the things around us. 查看答案