It is a type of economical aptitude pump unit which usually save energy over 50% than general models with convenient maintenance, simple adjustment, low maintenance charge on the safe side.
该机调参简易、维护方便、安全可靠、维护费用低，与常规抽油机相比节能50%以上，是一种智能型的节能抽油机。
It is a type of economical aptitude pump unit which usually save energy over 50% than general models with convenient maintenance, simple adjustment, low maintenance charge on the safe side.
该机调参简易、维护方便、安全可靠、维护费用低，与常规抽油机相比节能50%以上，是一种智能型的节能抽油机。
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