题目内容
船上更多使用水管锅炉。
A. Water-tubeboilerisbetterthananykindofboiler.
B. Fire-tubeboilerisbetter.
C. Water-tubeboilercandelivermoresteam.
D. Therearemorewater-tubeboilerusedonboard.
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昨天我们参观了那艘船。
A. Yesterdaywevisitedthatship.
B. Itwasyesterdaythatwepaintedtheship.
C. Wedidn'tvisittheshipyesterday.
D. Yesterdaytheshipwasalongsidethewharf.
锅炉操作说明书
An automatic boiler.
B. An instruction book for the main engine.
C. An operation instruction book for the boiler.
D. An maintenance manual for the boiler.
四冲程中速柴油机
A two-stroke low speed diesel engine.
B. A four-stroke medium speed diesel engine.
C. A two-stroke medium speed diesel engine.
D. A four-stroke low speed diesel engine.
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