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當承受(shou)地(di)震作用(yong)時(shi),應采用(yong)雙(shuang)螺(luo)母固定,或采用(yong)其(qi)它有效防止松動(dong)的(de)措施,但地(di)腳螺(luo)栓...
u型(xing)螺絲常用規格(ge)型(xing)號,m16u型(xing)螺栓規格(ge)表大(da)全,卡盤u型(xing)螺栓生(sheng)產廠家,國標u...
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u型(xing)螺栓(shuan)的標(biao)準,m20u型(xing)螺栓(shuan)規格表(biao)大全(quan),u型(xing)壓板螺栓(shuan),預埋u型(xing)螺栓(shuan)生產廠家
單頭螺(luo)栓(shuan)與雙頭螺(luo)栓(shuan)區(qu)別,35crmoa雙頭螺(luo)栓(shuan),國標35CrMoa雙頭螺(luo)栓(shuan),...
u型(xing)螺栓(shuan)規格(ge)型(xing)號表,gb4321標(biao)準u型(xing)螺栓(shuan),8.8級(ji)u型(xing)螺栓(shuan)生產公(gong)司,懸挑...