下图的名称是()。 A.延时闭合的常开触头 B.延时断开的常开触头 C.延时断开的常 发布时间:2018-10-27 06:13 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下图的名称是()。A.延时闭合的常开触头B.延时断开的常开触头C.延时断开的常闭触头D.延时闭合的常闭触头
题型:单项选择题 _______Wale_______at school,he would gain much higher a salary.A.Had;workedB.If;workedC.Did;workD.If;has worked 查看答案