问题详情

The pumps press oil into the cross-head bearing gap when the load on the shell is at its lowest What is the meaning of “its” in the sentence above?()


A、the cross-head

B、the pumps

C、the shell

D、the load

时间:2022-01-15 14:11 关键词: 水路交通运输技能考试 海船船员考试

答案解析

D