监理工程师在工程建设设计阶段进度控制的任务是( )。
A.编制项目总进度计划
B.编制设计总进度计划
C.审核阶段性设计进度计划
D.编制详细的出图计划
参考答案:C
—______ that he managed to get the book?
— Oh, his sister helped him.
A.Where was it
B.What was it
C.How was it
D.Why was it
阀门安装膨胀石墨环时,各圈石墨环切口应()。
A.交替相错
B.保持在同一垂直线上
C.保持30
D.保持45