FDQ41F防盜(dao)球閥(fa)(fa)廣泛的用于供(gong)(gong)(gong)(gong)油、供(gong)(gong)(gong)(gong)暖或(huo)供(gong)(gong)(gong)(gong)水(shui)(shui)管(guan)道(dao)(dao)上。目前,在(zai)供(gong)(gong)(gong)(gong)油,供(gong)(gong)(gong)(gong)暖,供(gong)(gong)(gong)(gong)水(shui)(shui)管(guan)道(dao)(dao)上發生盜(dao)竊閥(fa)(fa)門配件和盜(dao)竊石油、水(shui)(shui)和欠供(gong)(gong)(gong)(gong)暖、供(gong)(gong)(gong)(gong)水(shui)(shui)費(fei)的現象日益(yi)嚴重,尤其(qi)在(zai)供(gong)(gong)(gong)(gong)油管(guan)道(dao)(dao)上,盜(dao)取是(shi)接近*的地(di)步。
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