论述拉门机没劲,拉不开底门的原因?
参考答案:
(1)推压控制器手柄上的拉门微动接点烧损。
(2)电阻片有断线处。
(3)操作回路有断线处,KC接触器不吸合。
选字填空。
雁 燕
1.大( )从我们头顶飞过。
2.( )子的尾巴好像一把小剪刀。
Did she close the garage door().
A.Yes, she did. I asked her to close it.
B.No, she didn’t though she could.
C.No, but she is going to close it.
D.Yes, she did.