该抽油机的主要组成结构包括机架,棘轮换向减速箱,碰泵机构,让位机构,平衡重保护装置,刹车机构。
This pumping unit is made up of supporting frame, ratchet reversing gearbox, touch the pump body, make way for agencies, balance weight protection, brake mechanism.
该抽油机的主要组成结构包括机架,棘轮换向减速箱,碰泵机构,让位机构,平衡重保护装置,刹车机构。
This pumping unit is made up of supporting frame, ratchet reversing gearbox, touch the pump body, make way for agencies, balance weight protection, brake mechanism.
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