Which entry is NOT required in the Official Logbook?______
A. Steering gear tests
B. Position of the load line and freeboard upon sailing
Commencemet and termination of cargo operations
D. Closure of hatches and sideports upon sailing
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某基坑开挖深度15米,可以考虑选用的基坑支护方案有()。
A. 逆作法施工
B. 地下连续墙+内支撑
C. SMW工法+内支撑
When there is not a chief officer on board, ____ should keep and write up the ship’s logbook.
A. the assistance officer
B. the captain
C. the officer on duty
D. the third officer
Write down your name ____, please.
A. in numbers
B. with marks
C. in block letters
D. with symbol
脚手架作业层上的施工荷载应符合设计要求,不得超载。不得将模板支架、缆风绳、泵送混凝土和砂浆的输送管等固定在架体上严禁悬挂起重设备,严禁拆除或移动架体上安全防护设施。()