Enclosure materials怎么翻译

英语翻译GENERAL CONDITIONS OF PURCHASE OF MATERIALS怎么翻译 in enclosure Dispersion of Optical Materials 怎么翻译啊?指的是光学材料哪方面的性质啊? 英语翻译在翻译一篇电厂保温材料标准的资料,遇到block and blanket materials不知道具体怎么翻译, 求翻译：Hybrid Temperature-Responsive Materials 求助翻译Non-Critical Raw Materials enclosure speakers是什么 materials on a sub contract basis 如何翻译 翻译ALL materials to the Graduate Division by February 15. to put study materials in order请问怎样翻译? 求翻译 techniques and materials for teaching ,drill design,and 英语翻译INDEXQUANCHAICHAPTER 1DESCRIPTIONTools for the enclosure