未名 发表于 2013-10-26 00:36 9 |0 g: F% j" }. t. M* d
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; C. I( |% B2 L3 P
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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 ?