A.手術(shù)間高低B.手術(shù)時(shí)間長(zhǎng)短C.手術(shù)間面積D.手術(shù)創(chuàng)面
A.頭高腳低位左傾15°~30°B.頭低腳高位左傾15°~30°C.頭高腳低位右傾15°~30°D.頭低腳低位右傾15°~30°
A.5mmB.10mmC.12mm