目前，作为全市首批甲流疫苗接种人群，社区一线医护人员担负着社区甲流防控第一关。

Now, as the city's first batch of vaccination A stream populations, communities, Community A front-line health care workers responsible for the prevention and control flow of the first hurdle.

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低产低压油井关井后，井筒内出现段塞流，测试资料表现出很长的早期段。

To low production and low pressure wells, low pressure makes liquid depth in bore hole to be low before it closed.

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板子沟、桃关沟和彻底关沟均为低频率泥石流或高含沙洪水，平均20～50年发生一次；

The debris flow gullies of Banzi, Taoguan and Chediguan generate low frequency and low viscous debris flows or hyper-concentrated flows with an average interval of 20~50 years.

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