斜巷轨道运输保险绳直径必须与主绳一致，与主钢丝绳和矿车插销联接牢固。
参考答案：对
---Your father never gets up late, does he?
---______. It’s unusual for him to be late for work this morning.
A．No, he does
B．No, he doesn’t
C．Yes, he doesn’t
D．Yes, he does
维普上下载的pdf格式文件要用________浏览器
