相关买家:石油机;
本发明创造属于石油机械,尤其是节能抽油机。
The present invention belongs to petroleum mechanical field, especially energy saving oil pumping machine.
可以使用肥皂水,木精千万不可使用石油机溶剂。
Very simple really, use soap and water or methanol. DO NOT use PETROL.
可以使用肥皂水,木精千万不可使用石油机溶剂。
Very simple really, use soap and water or methanol. DO NOT use PETROL.
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