关键原料 meaning in English

critical materials

The process for its preparation from aspartame precursor including the process for preparing 3 , 3 - dimethylbutyraldehyde , the key raw material , is in focus
重点论述了以阿斯巴甜为前体物质的纽甜制备工艺，包括该工艺中使用到的关键原料3 ， 3 -二甲基丁醛的制备过程。
Et has integrated industrial chain from ingots , wafers , cells , modules to pv applied system , and steady order in pivotal material of ingots , wafers and cells , we have an capacity of 30mw in a year , and provide oem for other clients , except self - supporting products . et has all types of pv products , excellent capability . today , et products are exported to overseas markets , such as europe , north america , japan & korea and so on
公司在拥有从硅棒、硅片、电池片到组件加工、光伏应用系统到终端的完整产业链，并在硅棒、硅片与电池片等关键原料方面有稳定的采购渠道，现有30兆瓦的组件年生产能力，除自营产品外，尚可对外提供oem加工业务；公司组件产品规格齐全，产品性能优良，产品主要销往欧洲、北美及日韩等国家和地区。