未名 发表于 2013-10-26 00:36 # y" ]$ Z' B) X
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7 y! s- K* c; j& u9 L
9 e8 p. @! e! M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 ?