[单选题]机舱的前后端均设( )。

正确答案 ：C

水密横舱壁

[单选题]When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?

正确答案 ：A

The propeller hub taper and shaft keyway should be inspected for cracks or corrosion

[单选题]按照骨折复位后______来分有稳定性骨折和不稳定性骨折。

正确答案 ：C

稳定程度

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