A、the beginning of the compression stroke
B、the beginning of the suction stroke
C、the end of the working stroke
D、the end of the exhaust stroke
A、the beginning of the compression stroke
B、the beginning of the suction stroke
C、the end of the working stroke
D、the end of the exhaust stroke
时间:2022-01-04 03:26 关键词: 船舶动力装置 海船船员考试 水路交通运输技能考试
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