... valve face 气门面; 阀面 valve facing 磨阀面 valve failure 气门损坏 ...
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短语
磨阀面机
valve-refacer machine
;
valve refacing machine
研磨阀面
refacing a valve
阀面磨光机
valve refacing machine
;
valve refacer
电动阀面磨光机
electric valve refacer
阀面研磨
valve lapping
阀面磨光
valve refacing machine
阀面磨机
valve face grinder