当然normal

回答: Normal wear and tearbiglow2010-08-04 09:07:51

Valve seal不是全封,而是控制漏油率。正常工作时总有一些机油通过该seal流入气缸来润滑cylinder ring。现在的状况可能也就是流速快了一些。

所有跟帖: 

we are talking about different seals -xxhhwxc- 给 xxhhwxc 发送悄悄话 (180 bytes) () 08/04/2010 postreply 12:57:39

we are talking the same seal. Valve seal also called valve stem -biglow- 给 biglow 发送悄悄话 biglow 的博客首页 (127 bytes) () 08/04/2010 postreply 14:03:03

No! what you mentioned is oil control ring on piston -xxhhwxc- 给 xxhhwxc 发送悄悄话 (115 bytes) () 08/04/2010 postreply 14:25:57

请您先登陆,再发跟帖!