1)prescaler,预换算装置2)scaler printer,印刷换算装置3)presetter device,预置装置4)robot scaler,自动计算装置;自动换算装置5)vibration unit conversion sliderule,振动装置转换计算尺6)preheating equipment,预热装置
用法例句
Feature and application of preheating equipment of conversion section in No. 4 sulphuric acid system;
硫酸四系列转化系统预热装置的特点与应用
All big blast furnaces in Angang adopt a double precheating equipment,including an oneself preheating equipment,additional combustion system,smoke waste heat recovery and crest type preheating stove craft etc.
