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.
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