產(chǎn)品型號(hào):HY011設(shè)計(jì):BS5163 A型EN1171 EN558-1類型:網(wǎng)絡(luò)實(shí)名制,法蘭端,齒輪箱操作等級(jí):PN6,PN10,PN16,PN25面對(duì)面:EN558-1系列14規(guī)格:DN450-DN800