问题
单项选择题
A contra-guide is a type of（）.
A.bow thruster
B.cargo gear
C.steering engine
D.rudder
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
A contra-guide is a type of（）.
A.bow thruster
B.cargo gear
C.steering engine
D.rudder
参考答案：D
