W型曳引抽油机
W type tractive pumping unit
玻璃钢抽油杆
fiberglass sucker rods
fiber glass reinforced plastic sucker rod
玻璃钢-钢抽油杆
Fiberglass-steel Sucker Rod
玻璃钢—钢混合抽油杆
fiberglass—steel sucker rod string
玻璃纤维增强的聚酯抽油杆
fiberglass-reinforced polyester sucker rod
侧抽油缸
Side-pulling Hydraulic Cylinder
柴油抽水机
dieselized pumping machine
长塞环封抽油泵
long plunger sealing sucker rod pump
常规抽油机
conventional pumping unit
超深低漏整筒抽油泵
superdeep low leakage oil well pump