各段炉温控制 Zone control
各类锅炉 Various kinds of Boiler
美国求各种锅炉 Various kinds of -made boilers
供应各类耐高温炉底辊 Hearth roll
各炉食铺出售“五毒饼”，即以五种毒虫花纹为饰的饼。
Shop the sale of the oven fresh " cake", that is, worm pattern in five of the cake for decoration.
本系统中的数字量由PLC控制，数字量主要控制真空系统、烧结炉和化学气相沉积炉中各通气管路中的开关量。
In the system the digital is controlled by PLC, digital is mainly used to control the switch data of pipeline in the vacuum system and metallurgical vessel and CVD vessel.
各裂解炉管出口温度(COT)偏差的发散和误差的不确定，将对裂解炉操作和乙烯收率带来很大的影响。
The scattered coil - outlet - temperature (COT) and the unfixed temperature errors would influence severely the operation of cracking furnace and the ethylene yield.
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