以好拆卸为准,立管上的法兰,上片从上向下穿,下片从下向上穿% v# K+ K% S% W t% o) R! S! Ypighctdzrruarcmwzkcvdozsyvmkgcopiruisrwhhgf
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* s' G; c+ z7 n1 M* B没有特别规定,只规定朝向一致,针对砼基础预埋的地脚螺栓得朝上,槽钢朝下朝下没有要求,能保证拆卸方便的情况下朝下好些;水管或风管法兰连接的螺栓在保证拆卸方便的前提下朝下好些。trqwwlcaptxahsnteteindyr
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