多轴飞行器,电调和电机一般通过3根单色线连接,如任意调换其中2根与电机的连接顺序,会出现()
A.该电机停转
B.该电机出现过热并烧毁
C.该电机反向运转
参考答案:C
I can guess you were in a hurry. You your sweater inside out.
A.had worn
B.wore
C.were wearing
D.are wearing
不直接在高压设备上工作,但需将高压设备停电或要做安全措施者应填用()工作票。
A、第一种
B、第二种
C、带电作业