7639| 19
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Rc 管螺紋的問題求助 |
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點(diǎn)評(píng)
低壓系統(tǒng)并非不可以用生膠帶,,但是還是建議用膠,生膠帶纏不好容易進(jìn)系統(tǒng),,拆的時(shí)候有殘留也容易進(jìn)系統(tǒng),。
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