raw material sources

• 原料来源

raw material sources的用法和样例：

例句

1. Chemical fibre can be divided into regeneration fibres, and synthesizing fibres according to different material resources.
   化学纤维可根据原料来源的不同，分为再生纤维和合成纤维等。
2. Because of the outstanding quality, high efficient, low cost, and the wide raw material sources, plasma jet surface metallurgy will has a potential in market competition.
   由于等离子束表面冶金技术具有突出的优质高效低成本综合优势，且涂层原料来源广，在市场竞争中具有潜力。