方法：对4816例分娩的初产妇，采用弯盘、量杯收集测量产后2小时内及术中出血量。
Methods:A total of 4816 primiparas with vaginal delivery or cesarean section were studied.
本实用新型公开了一种削皮机，它主要包括箱体、削皮弯片、传动盘和传动装置。
The utility model discloses a peeling machine which consists essentially of a box body, bent peeling blades, a driving disk and a gear.
所述的热交换管是直 管、弯管或盘管。
The heat-exchanger tube is a straight tube, a bent tube or a twisted tube.
这些结果表明，菜蛾盘绒茧蜂与半闭弯尾姬蜂在同一寄主中发育时，前者具有明显的竞争优势。
These results suggest that C. plutellae have an obvious advantage over D. semiclausum in competition when both parasitoids develop in the same host.
这些结果表明，菜蛾盘绒茧蜂与半闭弯尾姬蜂在同一寄主中发育时，前者具有明显的竞争优势。
These results suggest that C. plutellae have an obvious advantage over D. semiclausum in competition when both parasitoids develop in the same host.
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