内热式回转炉
inner-heated revolving stove
VN三分仓回转式
VN three partition rotary air preheater
半椭圆回转式井壁底
semiellipse rotation type
并列回转式开卷-卷取机
double-swiveling uncoiler and recoiler
大直径回转炉
large-diameter rotary furnace
单滑片回转式压缩机
single vane rotary compressor
单叶回转式压缩机
rotary single-vane compressor
多管回转式干燥机
multi-tube revolving drier
多滑片回转式压缩机
multi-vane rotary compressor
多叶回转式压缩机
rotary multivane compressor
风罩回转式空气预热器
comparison of modification methods