Chemical bum化学性烧伤chemicaladj.化学的n.药品；化学物chemical oil dispersant化学油分散剂chemical emulsification化学乳化chemical agent detector侦毒器Chemical phase analysls化学物相分析Chemical hepatic injury四氯化碳chemical solution route化学溶液法chemical silver plating化学镀chemical deliming agent化学脱灰剂chemical bonded support化学键合载体chemical vapor reaction化学气相反应