发动机缸盖进排气孔的导管和座圈装配质量直接影响整机动力性能。
The assemble process of Conduit and Seat Ring belong to cylinder header will do an important influence on the whole motor power performance.
发动机缸盖进排气孔的导管和座圈装配质量直接影响整机动力性能。
The assemble process of Conduit and Seat Ring belong to cylinder header will do an important influence on the whole motor power performance.
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