常見例句lunulae valvularum semilunarium trunci pulmonalis 肺動(dòng)脈干半月瓣弧緣valvula semilunaris dextra trunci pulmonalis 肺動(dòng)脈右半月瓣valvula semilunaris sinistra trunci pulmonalis 肺動(dòng)脈左半月瓣valvula semilunatis anterior trunci pulmonalis 肺動(dòng)脈前半月瓣bifurcatio trunci pulmonalis 肺動(dòng)脈干杈Brachial plexus trunci 臂叢干 返回 trunci