称为"髓海"的是()。
A.骨
B.胆
C.髓
D.脑
E.女子胞
参考答案:D
监理例会应由()定期主持召开,宜每周召开一次。
A.项目经理
B.总监理工程师
C.建设单位
D.建设单位代表
Thirty-five percent of the breaking strength of an anchor cable is generally accepted as the().
A.safe operating load
B.normal operating tension
C.emergency working load
D.allowable storm load