目前各油田的抽油设备主要仍为常规游梁式抽油机，其主要原因是该机结构简单，操作维护方便，使用寿命长。
The conventional pumping unit is still the main pumping unit in the field at present, the main reason is that its structure is simple, operation and maintain are convenience, and its use life is long.
具有模切精度高、操作方便、胶套使用寿命长、成本低等特点。
It has grind high nicety and operation convenience and glue sheath using long life and low cost.
本产品具有开断能力打、安全可靠、电寿命长、可频繁操作、结构紧凑、体积小、重量轻、基本不需要维修等优点。
This product has the ability to hit breaking, safe, reliable, long life, frequent operation, compact structure, small size, light weight, the basic need maintenance.
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