【化】 down-convection pipe still
【化】 effluent gases; flue gas
being issued to the lower levels; down; downriver
ceremony; formula; model; pattern; ritual; style; type
【化】 expression
【医】 F.; feature; formula; Ty.; type
【化】 pipe furnace; pipe heater; pipe still; process furnace; tube furnace
tube still; tubular furnace