单项选择题

基础知识,章节练习,土木工程师（水利水电）现代技术基础,信号与信息基础

A.
B.
C.
D.
<上一题 目录 下一题>
热门 试题

单项选择题
Under normal operating conditions，the rudder is hydraulically locked unless ______．A.The manual trick wheel is engaged for steeringB.The variable stroke pump is off strokeC.A rudder order is given by the control systemD.An electric power system failure occurs at the steering gear
A.A.The
B.The
C.A
D.An
单项选择题
A.0010110和22B.0110100和52C.110100和52D.10110和22
A.0010110和22
B.0110100和52
C.110100和52
D.10110和22
相关试题