... Low maintenance charge 维护成本低 Low maintenance cost 低的维护成本 low maintenance dose 小剂量维持 ...
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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。
Palletizing Robot has a few accessories and parts, so the maintenance charge is very low.
码垛机器人主要构成零件少，配件少，所以维持费用很低。
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