![](https://i.imgur.com/YJnwaJ2.jpg)
[問題] 圓筒管線一直有空氣
![](https://i.imgur.com/YJnwaJ2.jpg)
如圖 搞了一個晚上了 圖是進水管(魚缸到前置) 一直有一截空氣
我是2213加一顆前置 接底抽
麻煩大家幫我解答了...
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※ 編輯: numoon (101.15.240.161), 01/29/2015 23:14:26
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