短語詞組短語main reservoir branch pipe [鉄路]縂風缸支琯main and branch river 乾支流河道main bundle branch 束支主乾main bearing branch 主要結果枝Main and branch library system 縂分館制Main -branch hall system 縂分館制left main bundle branch block 左束支主乾傳導阻滯main -branch measure analysis 主分量分析 返回 main branch