The dual function demands to aeration devices for oxidation ditch are clarified and the mechanism of both stirring and flow driving of self priming jet aerator are described.

阐明了氧化沟对曝气设备双重功能的要求； 论述了自吸式射流曝气器发挥搅拌推流作用的机理；

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PERL is the driving language it controls the build or deployment flow, checks return codes and based on the logic executes through a designed build and deployment path.

PERL是驱动语言，它控制构建或部署流，检查返回的代码，用设计好的构建和部署路径执行逻辑操作。

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The power of the selection is in meet the job pressure and volume flow conditions, power supply capacity that can satisfy matching the use of driving motor power can.

功率的选型是在满足工作压力和容积流量的条件下，供电容量能满足所匹配驱动电机的使用功率即可。

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These pieces of music adapt their rhythm and dynamic flow according to the driving style.

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Investing in employee wages provides your community the cash flow to purchase homes, driving: increased sales, increased profit and increased growth.

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"The underlying trends driving their cash-flow-generating capacity are no different now than they were a day ago, " he said.

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