EDEN-ing The Earth 让地球重归伊甸园 ; 让地球成为伊甸园
earth-cro ing object 越地天体
earth-cro ing asteroid 越地小行星
This paper deals with the practical test and bulk sample production in dy (?) ing polyamide fibre by applying rare-earth.
本文介绍了稀土在锦纶纤维染色上的应用试验及大样生产情况。
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