Displacement indicates engine size, and compression ratio compares the total cylinder volume to compression chamber volume.

位移表明发动机的大小，和压缩比比较气缸总容积压缩室容积。

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Combustion process of a ceramic heat insulated compound engine was experimentally studied in a constant-volume combustion bomb and a B1135 type single-cylinder diesel engine.

在定容燃烧装置与B1135型单缸机上，对陶瓷隔热复合机的燃烧过程进行了试验研究。

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Its Variable Compression Engine can alter its compression ratio (the volume in a cylinder when the piston is up compared with the volume when it is down) from 14-1 to 8-1, depending on the circumstances.

ECONOMIST: Fuel economy