基本解釋[醫(yī)藥科學(xué)]束支主干詞組短語(yǔ)短語(yǔ)main right bundle branch 釋義右束支主干;右束支主干main left bundle branch 釋義左束支主干;左束支主干left main bundle branch block 左束支主干傳導(dǎo)阻滯main bundle branch更多詞組專業(yè)釋義醫(yī)藥科學(xué)束支主干