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代用材料
1、replacement order───更换订单；补单
2、replacement cost───重置成本，更换成本; 复置成本
3、replacement rate───更新率；[遗]替换率
4、material───n.材料；用具；（有指明特征的）人才；素材；曲目；布料；adj.物质的；身体需要的；和推理内容有关的；重要的；（证据或事实）决定性的；客观存在的；物欲的；n.(Material)（意、美）妈特力娅丽（人名）
5、instructional material───教材
6、drachma replacement───德拉克马替代品
7、diverter replacement───分流器更换
8、replacement───n.更换；复位；代替者；补充兵员
9、replacement part───代元部分，备件；备件；替换件
1、The biocompatible of hydroxyapatite is very well, it is a kind of repair and replacement material of bone.───羟基磷灰石是具有良好生物相容性的骨修复和替代材料。
2、Bioactive ceramic-coated metal has the predominance of both metal and ceramics, so it is considered as a kind of the most promising bone replacement material.───金属基生物活性陶瓷涂层由于具有金属和生物活性陶瓷的综合优势，被认为是目前最有前途的一种承重骨替换材料。
3、Sintered hydroxyapatite ceramics is commonly used as artificial replacement material for its excellent biocompatibility.───羟基磷灰石烧结体是常用的人工置换材料，这种材料具有良好的生物相容性。
4、Experiment study on bladder extracellular matrices as replacement material in bladder reconstruction───脱细胞膀胱细胞外基质作为膀胱替代材料的实验研究
5、Conclusion It's an ideal replacement material for bone.───结论该材料是一种较理想的骨替代材料。
6、Synopsis Cellular concrete has gained popularity as a Soil replacement material in many geotechnical applications.───多孔混凝土用作土的代替材料已开始广泛运用在岩土工程中。
7、Analyzed the the existing problems of replacement material in the manufacture of pressure vessels, and relative suggestions were presented.───就压力容器制造过程中常常遇到的材料代用问题进行综合分析，并阐述了相应观点。