【名词&注释】
止痛药(anodyne)、的稳定性(stability of enzyme)、救生圈(buoy)、增压器转子(blower rotor)
[单选题]增压器转子(blower rotor)轴承采用外支撑式的优点有( )。
A. 转子的稳定性较好
B. 便于转子轴的密封
C. 轴承受高温气体的影响较小
D. 以上三点都是
查看答案&解析
举一反三：
[单选题]If anything abnormal be found on the load change of main engine when the ship is entering in shallow waterway, before taking measures the engineer on duty should _______.
A. stop main engine immediately
B. ask the captain and the chief engineer's permission for stopping the engine
C. inquire the bridge for the situation initiatively
D. stop engine and inform bridge
[单选题]对面积不大的肢体烧伤，可用以下方法减轻疼痛______。
A. 用冷水浸泡
B. 口服止痛药
C. 用酱油涂擦
D. 注射吗啡
[单选题]使用救生圈时应注意,晚上最好使用:
A. 带自亮灯浮
B. 带烟雾信号
C. 带可浮式救生索
D. 都可以
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