心: the heart前导: lead the way; march in front ...联: unite; join轴: axle; shaft右心前导联: right precordial leads左心前导联: left precordial lead侧壁心前导联: lateral precordial leads双极心前导联: bipolar precardial lead心前导联上被掩盖的束支传导阻滞: precordial masquerading bundle branch block导联轴: axis of leads; lead axis心前区导联: precordial lead胸导程, 心前导程: precordial leads单极导联轴: axes of unipoplar leads胸(前)导程,心前导程: precordial leads导联: lead前导: 1.(在前面引路) lead the way; march in front; precede2.(在前面引路的人) a person who leads the way; pioneer; guide 以仪仗队为前导 with the guard of honourmarching at the head; 前导轮 front jockey wheel联轴: shaft coupling心前的: precardiac; precordial心前区: precardium; precordial region; precordium心前痛: precordialgiacr导联: cr lead; right arm胸导联: c chest lead; chest lead轴导联: axial lead前导,切导: anterior guide前导板: front track