热球式柴油机
hot bulb engine
hot hulb engine
hot surface ignition engine
曲柄平衡式抽油机
crank-balanced pumping unit
曲柄连杆式无游梁抽油机
crank-guide blue elephant
倾斜行程抽油机
slant stroke pumping unit
轻型高速柴油机
high speed light duty diesel engine
轻型车用柴油机
Light-duty Vehicle Diesel Engine
柔性抽油机
the flexible pumping unit
汽油喷射式汽油机
gasoline-injection engine
气动平衡抽油机
airbalanced pumping unit
airbalanced suckerrod pumping unit
气动平衡泵杆抽油机
air-balanced sucker-rod pumping unit