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求助:關(guān)于長(zhǎng)距離輸氣的問題 |
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點(diǎn)評(píng)
嗯,那還是用金屬管保險(xiǎn)。
不過我司用的PVC管,到現(xiàn)在十年了,也沒啥問題。PU管,每到夏天,高溫,就經(jīng)常爆管
親,PVC是塑料管。長(zhǎng)時(shí)間承壓的話特別容易老化開裂,各種問題。
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