Use blind boards are possible, and leakage for a long time, screw rust, as useless, insulated piping is not very convenient.
用盲板有渗漏的可能，还有就是时间长了，螺丝锈死，一样没用，保温管道还不是很方便保温。
Use blind boards are possible, and leakage for a long time, screw rust, as useless, insulated piping is not very convenient.
用盲板有渗漏的可能，还有就是时间长了，螺丝锈死，一样没用，保温管道还不是很方便保温。
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