The cyclic variation of the combustion pressure in the cylinder of a four-valve gasoline engine was analyzed at low speed and light load with the CB-466 combustion analyzer on the engine test-bed.
在发动机试验台上，用CB-466燃烧分析仪对四气门汽油机低速低负荷燃烧压力循环变动进行了试验研究。
Based on the bench test, a system is developed for measuring the variation of the friction between piston ring and cylinder liner.
作者结合发动机试验台，设计了一套对活塞环-缸套动态摩擦力进行采集的装置。
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