“nonmetallic ore for gemstone”的概念、定义、翻译、参考文献-科学参考

单词	nonmetallic ore for gemstone
释义	nonmetallic ore for gemstone Encyclopedia 理学非金属矿产资源释 nonmetallic ore for gemstone宝石原料用非金属矿经琢磨后能作为饰物的矿物。
随便看	involuntary movement involuntary resettlement involuntomotory involute involute conical gear involute cylindrical gear drive involute cylindrical gear reducer involute helicoid involute of a circle involute of a curve involute of evolute involute planetary reducer with small difference between the numbers of teeth involution involution algebra involutional system involution axioms involution condition involution curve involution form involution net involution of a composition algebra involution of a division ring involution of a group involution of an algebra involution of a ring

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