preheating zone [冶] 预热带 ; [冶] 预热区 ; 预热带域
shale preheating zone 页岩预热段
Preheating zone power 预热区功率
Waste Gas Preheating Zone 废气预热区
preheating zone steel casing 预热带外炉皮钢板
Preheating zone with taper design, use heaters heating, temperature can control, can meet all kinds of insulation varnish requirements.
预热区使用加热器加热，温度可控，可满足各种绝缘需求。
The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system.
无氧化段由入口密封室，废气预热区，直接加热区，炉喉，废气排放系统组成。
Original preheating temperature: the temperature of the workpiece in the weld zone immediately prior to any welding operation.
初始预热温度是指任何焊接操作开始之前，焊接区域内工件的瞬时温度。
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