... 水套加热炉 jacket heater 水下采油系统 submerged production system 水下油井 subsea well ...
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Is the production and sale of ferrosilicon, calcium carbide hydraulic system and the submerged arc furnace smelting coking system of professional manufacturers.
是生产和销售硅铁、电石矿热炉的液压系统和焦化冶炼系统的专业厂家。
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