题目内容

In deciding to detain a ship or not, the PSCO would better not（）

A. make his decision independently
B. request the owner’s representative to provide proposals
C. cooperate with the flag State Administration’s representatives
D. consult the organization responsible for issuing the relevant certificate

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A. prevent an unsafe ship proceeding to sea
B. prevent a ship threatening the marine environment
C. fine the ships
D. confirm a safe sailing

A. 感温包应紧贴管壁包扎紧密
B. 当吸气管外径小于22mm时，管周围温度影响可忽略
C. 水平管上下温差相当大时，一般将它安装在吸气管水平轴线以上45度之间
D. 感温包扎好后，可不用绝热材料缠包