chemical firm化学公司
chemicaladj.化学的n.药品;化学物
chemically reversed photomask化学法做掩模板
chemical water control system化水控制系统
chemical durability of layers膜层的化学稳定性
chemical water plugging agent化学堵剂
chemical pharmaceutical major化学制药
Chemical control seed coating化控种衣剂
chemical lumbar sympathectomy化学性腰交感神经切除术
chemical transmission synapse化学传递突触
chemical-recovery coke oven化学回收炼焦炉
chemical resistance in binder粘合剂的耐化学性