问题题干答案解析相关问题热门问题最新问题

问题详情

In order to improve the working conditions of the crosshead bearings, the bearing pressure is made and the peripheral speed is made in later designs（）

A、smaller, higher

B、higher, smaller

C、smaller, smaller

D、higher, higher

时间：2021-12-31 19:28 关键词：船舶电气与船舶安全水路交通运输技能考试海船船员考试

答案解析

A

相关问题