screw oil pump

常見例句

The single screw oil pump is a new type extracting oil pump, which is simple in structure and high in performance with low working cost.
單螺桿抽油泵是一種新型的采油泵，結(jié)構(gòu)簡單，性能可靠，作業(yè)成本低。
New-type centralizers clamped on sucker rod string is developed to stabilize the sucker rod string in a screw pump oil production system.
為了解決螺桿泵采油井桿柱有效扶正問題，研制開發(fā)了卡裝式抽油桿扶正器。
To settle the problem, a novel energy-saving motor used in screw pump was designed, and this motor could make efficiency of screw pump oil system improved and variable speed device decreasing.
為此，本文設(shè)計了螺桿泵用新型多星形移相變極電機，使得螺桿泵采油系統(tǒng)工作效率進(jìn)一步提高，同時可以減少了變速裝置。