托福单词quartz什么意思
quartz什么意思
n.石英
quartz词组短语
quartz sand:[化]石英砂
quartz crystal:石英晶体
quartz vein:石英脉
quartz glass:石英玻璃
quartz tube:石英管
quartz近义词
n.[矿物]石英
crystalline silica
quartz例句
1.Sand Mineral particles consisting mainly of quartz,felspar,and mica,and measuring between 2 and 0.05mm in diameter.
主要由石英、长石、云母等矿物微粒构成,其直径在0.05~2mm之间。
2.There are not only illite,but also asphalt,microcrystalline quartz,dolomite,calcite,anorthite,gypsum,and such as potential damage materials.
储层不仅含伊利石,还发育沥青、微晶石英、白云石、方解石、钙长石和石膏等潜在损害物质。
3.Quartz,zircon,magnetite,gold are major constituents of littoral placers in Shandong province,while shell,ballstone,ilmenite,rutile being secondary.
山东省滨海砂矿以石英、锆英石、磁铁矿、砂金等为主,其次为贝壳、球石、钛铁矿、金红石等。