The K21 IFV has a 750-horsepower turbo-diesel engine and 40mm auto cannon designed to shoot down slow-moving helicopters and aircraft.

K21步兵战车拥有750马力的涡轮增压柴油发动机和40毫米自动炮，旨在击落缓慢移动的直升机和飞机。

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The ship is powered by a single slow speed diesel engine.

本船单车船，由一台慢速柴油机提供动力。

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Slow speed diesel engines are large, especially tall, and heavy and operate on the two-stroke cycle.

低速柴油机是体积较大、缸体较长、机身较重的二冲程柴油机。

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Although no longer justified, the diesel's reputation for being slow, smelly, noisy, unreliable and difficult to start in cold weather has lingered since the 1980s, when Detroit rushed out half-baked designs in response to the oil crisis.

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Diesel engines used to be noisy, smelly and slow, but no more.

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The combustion is slow and rich, using just enough oxygen to bust apart the diesel molecules into hydrogen and carbon monoxide without burning off the diesel entirely.

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