breech
n. 臀部
The breech of a gun is the part of the barrel at the back into which you load the bullets.
1. opening in the rear of the barrel of a gun where bullets can be loaded
Designed to be loaded breech. Used of a gun or other firearm.
设计为在后膛装(弹药)的. 用于枪或其它火器.
The parts of a gun that make up the breech.
一种火器;有膛线炮的或在来复枪内有内螺旋形槽线的.
The caesarean section rate for breech presentation , scar uterus , fetal macrosomia, multiple pregnancy was 97.9 % , 97.3 % , 74.0 %, 73.9 % respectively.
其中臀位的剖宫产率为97.9%, 疤痕子宫的剖宫产率为97.3%, 巨大儿的剖宫产率为74.0%, 多胎妊娠的剖宫产率为73.9%.
To approach the clinic effect of correcting breech postition with knee chest decubitus.
目的:探讨膝胸卧位纠正臀位的临床效果.
Objective To investigate the selection of method of breech delivery and its complications.
目的探讨臀位分娩方式的选择及其并发症的发生.