qrs環(huán)尖部apex: n. (pl. apexes , apices ) 1. ...loop: n. 1.(用線、帶等打成的)圈,環(huán),匝,框,環(huán)孔,線圈 ...qrs loop: qrs環(huán)frontal plane qrs loop: 額面qrs環(huán)long axis of qrs loop: qrs環(huán)長(zhǎng)軸下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯