厂房的疏散楼梯的净宽度可以为()。
A.1m
B.1.1m
C.1.2m
D.1.3m
E.0.9m
参考答案:B, C, D
He likes to sleep with the window ____ and the door _____ at night.[ ]
A. opened, closed
B. open, close
C. opened, close
D. open, closed
当发电机主开关需要维修时,在向公司提交维修申请表中应填写的内容中一般不含()。
A.主开关的制造厂家、规格、主要参数等
B.故障原因说明及维修要求
C.本船船名
D.保修期限