full closed crankcase ventilating system
... 闭式强制曲轴箱通风装置 closed pcv system 全封闭型曲轴箱通风系 full closed crankcase ventilating system 曲轴箱双通风系统 crankcase closed system ...
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full closed crankcase ventilating system
全封闭曲轴箱通风系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。