Methods: The retrospective analysis of painless abortion reasons was performed in 994 unproductive women.
方法：对994例未产妇无痛人流原因进行回顾性分析。
Watts recommends a strainer be installed ahead of Watts Series 994 assemblies to protect the discs from unnecessary fouling.
美国瓦茨建议在美国瓦茨系列994总成前面安装一个过滤器，保护阀瓣不受不必要的污染。
The earthquake toppled the homes of 1, 039 families and left 4, 994 others seriously damaged, mainly in the county seat near the border with Myanmar.
地震中1039个家庭的房屋倒塌，另外，其余4994个房屋严重受损，县城主要在中缅边境附近。
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