laboratory fee实验室费用laboratoryn.实验室laboratory technical ranks实验技术队伍laboratory drying cylinder实验室小烘筒laboratory data processing实验室数据处理laboratory of liberal arts文科实验室laboratory-dry aggregate实验室干集料laboratory animal medicine劳动力Laboratory technician lung实验室技术员肺laboratory diagnosis system实验室诊断系统laboratory printing machine小印花机laboratory electric furnace实验室用电炉