设置连梁的基础,连梁截面高度不宜小于基础中心距离的()。
A. 1/8
B. 1/10
C. 1/12
D. 1/15
查看答案
无水土质基坑底面,宜按基础设计平面尺寸每边放宽不小于()cm。
A. 20
B. 30
C. 50
任何运输船舶在港停泊时间不超过72小时的,进港、出港签证可以在出港前同时办理。
A. 正确
B. 错误
《煤矿安全规程》规定采煤工作面所有安全出口与巷道连接处20米范围内,必须加强支护;安全出口必须设专人维护,发生什么,必须及时更换、清挖?
I would have gone ashore with the second engineer, if I () time.
A. have had
B. had have
C. had had
D. would have had