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.
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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.
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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%.
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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.
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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.
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Results 64.7 % parturients performed cesarean section, 30.5 % assisted breech delivery and 4.7 % breech extraction.
结果其中64.7%施行剖宫产术, 30.5%施行臀位助产术,4.7%施行臀牵引术.
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BOLT the breech block or breech bolt that seals breech end of barrel.
密封枪管尾部的枪栓或闭锁装置.
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