selecting operation

Time density distribution of pumping station annual operation head has a few influences on selecting adjusting modes.

泵站年运行扬程时间密度分布情况对工况调节方式的选择稍有影响。

By examine kidney function with color Doppler in clinical application, there are so basilic guidance significance in selecting the treatment plan or the time of operation.

临床中应用彩色多普勒超声检测肾积水肾脏功能受损程度，并提示治疗方案和对手术时间的选择具有重要的临床指导意义。

By selecting good well killing fluid and perforated fluid, promoting stem structure, technique of surface testing, well head control and perforation and improving matching device, it helps to operation of HP-HT well.

通过选择好的压井液、射孔液，改进管柱结构、地面测试工艺、井口控制工艺、射孔工艺，以及改善配套设施，均有助于高温高压井的作业。

Some measures to energy saving was suggested as followed: rationally selecting air overpressure, volume, temperature and relative humidity, adopting the appropriate air conditioning machine configuration, properly applying the return air and automatic control methods and strengthening the production and operation administration.

合理选择送风余压、送风量、送风温度、送风相对湿度等工艺参数以及空调机组的形式，正确利用回风和自动控制方式，加强生产运行管理，有利于节能。

CNPC selecting and implementing transnational operation strategy is a necessary way.

CNPC选择和实施跨国经营战略是其必然之路.