1) jeweler's lathe
宝石匠用车床
3) ruby deposit
红宝石矿床
1.
On the basis of a study and elaboration of data, some important conclusions are presented: (1) ruby deposits in marbles occur in the plutonic metamorphic zones of orogens where deep fault structure is developed; (2) ruby-bearing rocks are calcic crystalline marbles, rather than magnesian marbles; (3) amphiboles in ruby-bearing rocks are .
大理岩型红宝石矿床是红蓝宝石矿床的重要类型。
2.
It was first found by the authors in China in a ruby deposit in the Ailao Mountains, Yunnan Province.
笔者在国内首次发现镁砂川闪石,它产于云南哀牢山红宝石矿床中。
6) deposit of ruby and sapphire
红蓝宝石矿床
补充资料：石匠
1.开凿石料和用石料制作器物的工人。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条