應該是小於1/30年每個龍頭。
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還有很多其它的閥口要密封圈。例如水池馬桶下的的Shut off
-網戀無罪-
♂
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12/10/2025 postreply
16:30:55
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那些沒事是不會壞的,你這個帖子純粹是胡說。
-borisg-
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12/10/2025 postreply
16:31:58
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和水質有關,我們這七年左右換O圈吧。
-資深海豚-
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12/10/2025 postreply
16:38:58
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