equipment trnasfer airlock 设备运输空气闸门
Telegraphic Trnasfer Bought 电汇购进
Two methods for radiation heat trnasfer in radiant tube furnace, the equivalent grey planes method and the imaginary planes method are introduced and compared with real conditions.
当量连续灰平面法和假想面法，并与实际情况进行了比较计算。
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