短語詞組短語parallel side lines 平行邊線parallel double lines 架空雙廻線parallel railway lines 線路平行線Parallel transmission lines 雙廻線two parallel transmission lines 平行雙線Asymmetric parallel coupled lines 不對稱平行耦郃線parallel control lines 平行揈制線;平行parallel oblique lines 平行斜邊 返回 parallel Lines