... preheating liquid metals 预热液态金属 preheating method 预热法 preheating of fuel 燃料的预热 ...
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The key of the technology was designing ideal process by using suitable preheating method.
该技术的关键是采用合理的预热方式，设计出理想的工艺流程。
Submerged nozzle must be preheated before casting. Now, burning the coal gas is the usual preheating method.
浸入式水口在浇钢以前必须进行充分预热，利用燃烧的煤气烘烤水口是常用的预热烘烤方式。
The preheating method includes heat-pipe exchanger, tubular heat exchanger, plate heat exchanger, heat medium exchanger and regenerative hot stove.
预热法包括用热管换热器、管式换热器、板式换热器、热媒式换热器和蓄热式热风炉。
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