短語詞組短語balance e bridge 平衡電橋balance -bridge 平衡橋balance electric bridge 平衡電橋balance electrical bridge 平衡電橋non -balance electric bridge 非平衡電橋roller balance bridge 滾動式豎旋橋automatic balance bridge 自動平衡電橋balance bridge pillar 擺夾板柱balance bridge support 擺夾板托 返回 balance bridge