Use a sethoscope to listen to noise

来源: internuts 于 2009-05-20 18:20:42 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: 启动以后泵always 转 由 xxhhwxc 于 2009-05-20 13:00:24

所有跟帖： 

• Did LZ use that to determine the source of noise? -花椒- ♀ 给 花椒 发送悄悄话 (158 bytes) () 05/21/2009 postreply 07:59:35

• Water pump noise is a howling noise -xxhhwxc- ♂ 给 xxhhwxc 发送悄悄话 (29 bytes) () 05/21/2009 postreply 09:36:19

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