气门杆上的弹簧使气门保持在气门座上(关闭状态)。
A spring on the valve stem tends to hold the valve on its seat (closed).
气门导管,气门座圈,气门锁片,气门弹簧座,铸件系列。
Valve Guide, Valve Seat, Valve Lock, Valve Spring Retainer, Casting Products.
气门导管,气门座圈,气门锁片,气门弹簧座,铸件系列。
Valve Guide, Valve Seat, Valve Lock, Valve Spring Retainer, Casting Products.
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