题目内容

With damaged floating vessels，the most important consideration is the preservation of ().

A. Bilge pumping capacity
B. Reserve buoyancy
C. Level attitude
D. Instability

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跨装车组应使用车钩缓冲停止器，安装应在车钩（）下进行。

A. 自然状态
B. 拉伸状态
C. 压缩状态
D. 静止状态

马传染性贫血的临床特征为()

A. 发热
B. 贫血
C. 黄疽
D. 消瘦
E. 以上都是

The point that is halfway between the forward and after perpendicular and is a reference point for vessel construction is the ().

A. Half length
B. Mid-body
Center line
D. Amidships

比较大蓟与小蓟的功效、主治病证的共同点和不同点。