常見例句雙語例句The whole day he slipped end-over-end connecting flange with Angle steel, production.整節(jié)涵管連接法蘭采用角鋼，鋼板制作。The utility model adopts the differential wheel set, the angle of attack is avoided between a wheel flange and a steel rail;本實用新型采用差速輪對，車輪輪緣與鋼軌之間不再 有沖角；ip.com 返回 flange angle steel