减速器各制动钳动作不一致的故障处理方法是（）。
A.检修快排阀
B.更换夹板螺丝
C.检修制动风缸
D.检修制动风缸、检修快排阀
参考答案：D
He doesn't tell me when he_______ . I'll telephone you as soon as he______.
A．will come;comes
B．will come; will come
C．comes; will come
D．comes; comes
ESD系统一级关断时主发电机停后，航海救生设备可持续工作（）小时
A、12
B、24
C、48
D、96
