英语语法分析

The Yangjingou scheelite occurs in Wudaogou Group.

杨金沟白钨矿床产于五道沟群中。

The formation of scheelite deposit has an intimate relationship with amphibole-schist.

白钨矿矿床的形成与角闪片岩关系密切。

Diluted nitric acid is used as a selective solvent to separate scheelite from wolframite.

本文试验了以稀硝酸作为黑、白钨矿分离的选择性溶剂。