难检字字典在线查询

汉语拼音：kuàng yuán

矿产资源：勘察～。

• They went out after new mineral resources day by day.

  他们天天外出寻找新矿源.

• The work of surveying mineral resources is very hard.

  勘探矿源的工作十分辛苦.

• Tom were right. He searched a huge gold source those age.

  汤姆是对的, 那一年他找到了富含大量金矿的矿源.

• Therefore, ore prospecting was cast about for source bed.

  因此, 找矿重点是寻找矿源层.

• Source bed is a material base and essential condition of mineralization.

  矿源层是成矿作用的物质基础和必备条件.

• The Au is originated from 3 rock assemblages.

  三类矿源岩石组合提供金质.

• The mine was closed owing to exhaustion.

  这个煤矿因矿源枯竭而被关闭.

• Source beds are turbidite of middle Triassic series.

  矿源层为中三叠统浊积岩.

• The mian factors to control gold deposits are source beds, magmatism and structures.

  控制金矿产出的主要因素包括矿源层 、 岩浆作用和各种构造.