短語詞組短語main reservoir branch pipe [鐵路]總風(fēng)缸支管main and branch river 干支流河道main bundle branch 束支主干main bearing branch 主要結(jié)果枝Main and branch library system 總分館制Main -branch hall system 總分館制left main bundle branch block 左束支主干傳導(dǎo)阻滯main -branch measure analysis 主分量分析 返回 main branch