1) negative pressure pneumatic lifting method
负压气举法
2) sub-atmospheric pressure aeration
负压曝气法
1.
The results of experiments indicate that the sub-atmospheric pressure aeration is advantageous not only to the improvement of production safety and the rate of conversion,but also to the reduction of consumption of material.
介绍了母液返混技术在负压曝气法二氧化氯制备工艺上的应用,分析了负压曝气返混工艺的特点和意义,探讨了影响强制返混技术的因素。
3) flowing plant
气举压气站
5) underbalanced lifting unit
负压举升装置
1.
Anti-pollution and continuous sand flushing is a novel technique with the combined action of packer, dual layered string and underbalanced lifting unit.
该技术利用封隔器、双层管柱和负压举升装置构成防污染冲砂系统 ;利用地面液流控制组合阀控制上流和侧流阀的开关 ,以保证地面不停泵即可连接油管 ,从而达到防油层污染连续冲砂的目的。
补充资料：后举
1.谓日后行事。 2.指后发举事。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条