the top material admission balance, gas admission, gas exhaust effect of the uniformity of fluidized heights in multistage fluidized bed were studied.
研究了顶层进料均匀性、进气及排气方式对多层流化床流化料层高度均匀性的影响。
said production method includes the following steps: making a top material and a bottom material be tightly combined together by closing their peripheral edges so as to form a hollow cavity chamber;