短語詞組短語threaded flange [機]螺紋法蘭;羅紋法蘭;指紋法蘭;螺紋threaded elbow 螺紋彎頭;螺紋肘管;螺紋式彎頭Threaded connection 螺紋連接;螺紋連結(jié);連接螺紋;銜接螺紋threaded rod 螺桿，螺紋桿threaded hole 螺紋孔Threaded Tee 螺紋式三通;承口內(nèi)螺紋三通接頭;螺紋三通threaded marshaler 線程封送拆收器threaded ends 螺紋連接端;螺紋端;螺紋的末端;螺紋目的threaded steel 螺紋鋼threaded connection 螺紋連接 返回 threaded