进行仪表引压管路的强度和严密性试验时,一般压力应为设计压力的()。
A、1.5倍
B、1.25倍
C、1.15倍
D、液体试压时为1.25倍,气体试压时为1.15倍
参考答案:A
Everyone except Tom and John _______ there when the meeting began.
[ ]
A. is
B. was
C. are
D. were
基坑降水工作应持续到()施工完成。
A、垫层
B、基础混凝土浇筑
C、回填
D、基础拆模