常見例句雙語例句Screw in hexagon-head bolts alternately .交替旋入六角頭螺栓。Specification of high strength bolts with large hexagon head, large hexagon nuts, plain washers for steel structures.鋼結(jié)構(gòu)用高強度大六角頭螺栓，大六角螺母，墊圈技術(shù)條件。skywind.web-16.comSteel Series: steel with high strength large hexagon head bolts, torsion shear bolt connections made, the steel truss joints of high strength bolts, studs, drill the end of wire.鋼結(jié)構(gòu)系列：鋼結(jié)構(gòu)用高強度大六角頭螺栓，扭剪型螺栓連接副，鋼網(wǎng)架球節(jié)點用高強度螺栓，焊釘，鉆尾絲等。www.77274.chinafastener.biz 返回 hexagon head