double pipe短语¹⁴⁴⁹⁷²⁺² 基本例句 adj.套双管的 The fluidized bed exchangers utilized in solvent dewaxing process were compared with the double pipe chiller This exchanger is an attractive new equipment in the solvent dewaxing process. 就溶剂润滑油脱蜡工艺中结晶设备套管结晶器与流化床换热器进行了比较，流化床换热器是一种极有吸引力的溶剂脱蜡工艺技术的新设备。 cnki