rarebitn.欧洲种的兔子;家兔
rareadj.罕见的;珍贵的;煎得嫩的
Rare Earth production稀土生产
rare gas halide laser稀有气体卤素激光器
rare earth tungstates稀土钨酸盐
rare-earth nitrates稀土硝酸盐
rare earth extraction稀土萃取
rare earth element Er稀土元素Er
rare earths manganite稀土锰氧化物
Rare books cataloging古籍编目
rare earth rich phase富稀土相
rare-earth fluoride稀土氟化物