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preheating 英pri'hit美pri'hit COCA¹⁰⁵⁴⁸⁷BNC¹⁷³⁹⁹⁵⁺² 基本英英搭配记法例句例句 v.预热¹⁰⁰原型preheat的现在分词 动词 preheat: heat beforehandpreheating method预热法preheating fan预热风机preheating allowance预热留量preheating section预热段preheating compartment预热室preheating furnace预热炉preheating zone初步供暖区,预热区,…preheating flame预热焰preheating period预热时间preheating evaporator预热蒸发器preheating temperature预热温度preheating gate预热孔preheating chamber预热室 preheat-ing动名词⇒v.预热 动词100% 用作动词The processes ofpreheatingand welding of super scale penstocks were detailed.本文详细叙述了巨型压力钢管的预热装配和焊接过程。 Condensate from the first-effect calandria is used forpreheatingthe feed.一效列管换热器中出来的冷凝液被用来预热进料。 In addition, a calculating method on welding preheating temperature and a selective principle and method on welding component matching are concluded. 同时总结了一套计算焊接预热温度确定方法和焊接接头匹配的选取原则与方法。 cnki The experiment shows that an important reaction- hydrogen transfer, occurs within and between coal molecules during preheating. 预热时,在煤分子内部或分子间发生一个十分重要的氢转移的反应。 cnki |