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CN / EN
GSR不(bu)銹鋼閥(fa)門的故(gu)(gu)障有(you)：閥(fa)不(bu)能(neng)換向(xiang)或換向(xiang)動(dong)作緩慢，氣體泄漏，電磁先導閥(fa)有(you)故(gu)(gu)障等。
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