未名 发表于 2013-10-26 00:36 H1 U, p7 r+ v9 D' M: I- S
如果官道连接简单的话,用个高压气泵,把几个官道里的水吹干,然后加入防冻液 p' b7 B" u/ Z+ f' g! Y& X: r* o. G3 p- A" k
如果没有经验,第一次建议 ...
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thank you for your advices. I watched some video and prepare to DIY. could you please leave a tel number and share some experience ?