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凡尔体凡尔座为优质合金卐钢材料整体锻※造成型，适用国内外主流泵型。
中国专业的民营测井服务类产品生产厂商Professional private well logging service product manufacturers in China
清河液〗力端，泵送无♂限动力Qinghe Fluid End，Die Hard Durable Power
