... crankcase compression engine曲轴箱压缩式发动机 closed crankcase ventilating system闭式曲轴箱通风装置 breathing of engine发动机(曲轴箱)通风 ...
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full closed crankcase ventilating system 全封闭型曲轴箱通风系
closed-crankcase ventilating system 闭式曲轴箱通风装置
closed d crankcase ventilating system 闭式曲轴箱通风装置
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