气囊助产的临床研究及效果分析--中国期刊网 关键词】气囊助产；总产程；分娩结局；产后出血量 [gap=1137]Key words】Airbag midwifery; total production process; birth outcomes; postpartum bleeding
基于20个网页-相关网页
The successful use of the total process to control tin reflow discoloration and whisker behaviour on connectors in a production environment is described.
本文详细阐述一个完备的生产过程，它能有效地控制连接器表面锡的回流变色和锡须形成的问题。
Culture is the sum total of the customs and value idea formed in the process of child production and breeding of human beings, and it is a sub-system of culture system.
生育文化是人类在生产和养育孩子过程中形成的一整套的风俗习惯和价值理念的集合体，是文化系统的一个子系统。
It has a certain guidance to the practical production that analyzing the influences of technological factors in RH process on the total oxygen content in molten steel by this model.
利用本模型分析讨论了RH操作过程的工艺因素对钢水总氧含量的影响，对生产具有一定的指导意义。
应用推荐