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.
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.
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.
关，北加他们飞去，玩的遥控器，在其豪华的一流的座椅，就像他们从来没有人上飞机前被灯。
Off to NorCal they flew, playing with the remotes and lights in their luxurious first-class seats like nobody of them had ever been on an airplane before.
文峪河发源于关帝山，由北谷口入境流至开栅向南流入汾阳。
Originated Wenyuhe Guandi Hill, Taniguchi immigration flow from north to south flow of Fenyang gate open.
ZD B型直流电源变换器是工作在直流600v供电系统的变流装置。该装置以新颖电力器件IGBT作为开、关器件并采用PWM控制技术。
Working in a 600v DC power supply system, the type ZDB battery charger USES new power electronic insulated-gate bipolar transistors (IGBT) as switching device and adopts PWM control technics.
通过非结构网络，把井眼看作一个网格块，推导出了能反映开、关井后地层渗流量变化的用于求解单相流试井问题的差分模型。
Then a differential model, which discribes the changes of sandface flow rate under pressure drawdown and buildup is derived. The rate model is used to solve the question …
通过非结构网络，把井眼看作一个网格块，推导出了能反映开、关井后地层渗流量变化的用于求解单相流试井问题的差分模型。
Then a differential model, which discribes the changes of sandface flow rate under pressure drawdown and buildup is derived. The rate model is used to solve the question …
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