应该是小于1/30年每个龙头。
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还有很多其它的阀口要密封圈。例如水池马桶下的的Shut off
-网恋无罪-
♂
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12/10/2025 postreply
16:30:55
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那些没事是不会坏的,你这个帖子纯粹是胡说。
-borisg-
♂
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12/10/2025 postreply
16:31:58
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和水质有关,我们这七年左右换O圈吧。
-资深海豚-
♀
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12/10/2025 postreply
16:38:58
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