"feldspar"相关例句(78)
14.A gray, fine-grained volcanic rock, chiefly plagioclase and feldspar.
15.Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uranium, gold.
16.Many common minerals, such as feldspar, develop microscopic pits during weathering.
17.THE DEVELOPMENT OF POTASSIUM FELDSPAR RESOURCES USED FOR CERAMICS IN ANHUI PROVINCE
18.A variety of feldspar valued as a gem for its pearly translucence.

