You have to mix oil into the gas in a two-stroke engine because the holes in the cylinder wall prevent the use of rings to seal the combustion chamber.

在二冲程发动机中你必须混和燃料和气体，因为气缸壁上的孔阻止使用活塞环密封燃烧室。

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To most people a gas turbine engine is the huge cylinder bolted beneath the wing of a commercial airliner, although they are also widely used in stationary power plants.

对大多数人来说，燃气轮机是一个巨大的圆柱体型的东西，安装在商用飞机上，其实它们也被广泛应用在固定的发电设备中。

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When the Volt's battery pack is discharged, the 1.4-liter gas-powered four-cylinder engine kicks on to spin the 74-hp generator.

当沃蓝达的电池耗尽时，1.4升四缸燃气发动机就开工带动74马力的发电机。

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Plus, using the six-cylinder gas engine is part of a larger strategy to apply the hybrid powertrain to various models, including the 5 Series and 7 Series.

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The 2.5-liter inline 4-cylinder gas engine and permanent magnet AC synchronous electric motor in the MKZ deliver 191 net horsepower, a modest amount of power for a 3, 752 lb vehicle.

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New gas direct-injection 4-cylinder engine weighs less than earlier model.

FORBES: Magazine Article