二冲程和四冲程发动机的区别：大多数链锯和摩托艇使用的是二冲程发动机。
What is the difference between a two-stroke and a four-stroke engine? Most chain saws and boat motors use two-stroke engines.
检查救生艇发动机燃油并报告。
一艘登陆艇的发动机还在运转。
但是，此类事故非常少见，因为发生这种事故的条件是艇上柴油发动机系统制造或维护状况很差，以及工程人员受过的培训和指导非常差劲，这才可能让事件失控。
But such an incident is rare, as it requires a poorly built or maintained diesel system on board, and a poorly trained and supervised engineering crew to allow something like this to get out of hand.
登陆艇由两台额定600马力的12V150C型柴油发动机驱动，提供最大11.5节航速。
The landing craft is driven by two 12V150C diesels rated at 600hp, giving a max speed of 11.5 knots.
我刚开始驾驶游艇航行时，艇上的汽油发动机老出毛病。
I first started cruising in yachts with temperamental petrol engines.
登陆艇由二台额定600马力的12V150型柴油发动机驱动，提供最大12节航速。
The landing craft is driven by two 12V150 diesels rated at 600hp, giving a max speed of 12 knots.
登陆艇由二台额定600马力的12V150型柴油发动机驱动，提供最大12节航速。
The landing craft is driven by two 12V150 diesels rated at 600hp, giving a max speed of 12 knots.
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