A fifty-foot navy boat was waiting at the dock, its diesel motors running.
一条五十英尺长的海军用船，这时正等在码头上，柴油机已经发动起来了。
2
The boat is built of steel hull, aluminum - welded deckhouse, round bilge, transom stern, single continuous deck, longitudinal framing, four engines, four rudders and diesel engine driven.
本艇为钢质主船体，铝质焊接甲板室，圆舭方艉单层连续甲板纵骨架式四机四桨四舵柴油机推进巡逻艇。
3
The paper mainly deals with the thermotechnical testing of Jiangjin-VTR320 turbocharger matching with 8NVD48A-2U diesel engine operating in a Changjiang River boat on voyage.