應該是 sprinkler valve 啟動時發出的聲音,這是正常的,不必在意。
所有跟帖:
• 謝謝書班解惑。可是那麽大響聲有點嚇人 :( -CaoXinMa- ♀ (0 bytes) () 08/26/2017 postreply 11:51:04
• 謝謝書班解惑。可是那麽大響聲有點嚇人 :( -CaoXinMa- ♀ (0 bytes) () 08/26/2017 postreply 11:51:04
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