閥門比一個簡單的螺栓要貴多了
所有跟帖:
• Murphy's law: things may leak will leak. The consequence is seri -燕京十景- ♀ (0 bytes) () 10/26/2014 postreply 18:32:20
• 現在閥門有50萬次,車上也有些電磁閥螺線管吧 -chinomango- ♂ (0 bytes) () 10/27/2014 postreply 08:06:10
• Murphy's law: things may leak will leak. The consequence is seri -燕京十景- ♀ (0 bytes) () 10/26/2014 postreply 18:32:20
• 現在閥門有50萬次,車上也有些電磁閥螺線管吧 -chinomango- ♂ (0 bytes) () 10/27/2014 postreply 08:06:10