Kort nozzles are installed around the propellers of some vessels to().

A . Increase the thrust of the propeller B . Protect the propeller from striking sawyers C . Prevent the propeller from striking barges towed on the ship D . Prevent the propeller from touching bottom in low water

时间:2022-10-12 12:13:42 所属题库:船舶物料及管理题库

相似题目