Polyester resins are the condensation products of polybasic acids and polyols 聚酯树脂是多元酸和多元羟基化合缩聚而成。
Cr sbs mma ba polybasic graft copolymerization and adhesive properties of self - crosslinking copolymer 多元接枝共聚及自交联型接枝产物的粘合性能
Historical teleplays in the polybasic culture circumstances - trying to analyze the types of historical teleplays on the continent in recent ten years 试析近十年大陆历史题材电视剧的几种类型
In past years , the research on medical service quality of china focused on its evaluate methods and theory of exchanging marketing , polybasic extending and creativity 摘要对我国医疗服务质量的研究,过去大多集中在其评价方法的演变上,对其理论基础的分析仅限于交易营销、多元化扩张和创新力上。
English learning diversified : we have english classes in the early morning , class english drama , english curative teaches , english painting story book reading , english vacation camp etc . , polybasic english activities to arose children ' s abilities 英语学习多样化:晨间英语教学,班级英语话剧,英语补救教学,英语绘本导读,英语假期育乐营等,绵密的英语学习,激发孩子潜能。