Bort

Bort or boart is a term used in the diamond industry to refer to shards of non-gem-grade/quality diamonds. In the manufacturing and heavy industries, "bort" is used to describe dark, imperfectly formed/crystallized diamonds of varying levels of opacity. The lowest grade, "crushing bort", is crushed by steel mortars and used to make industrial-grade abrasive grits. Small bort crystals are used in drill bits. The Democratic Republic of the Congo provides 75% of the world supply of crushing bort.

词汇	bort
分类	英语词汇英语翻译词典
释义	bort /bɔːt//bɔrt/ 英汉-汉英词典 n. 圆粒金刚石词组 \| 习惯用语您要查找的是不是： sort n. 种类；方式；品质 vi. 分类；交往；协调 born v. 出世（bear的过去分词） adj. 天生的 boat n. 小船；轮船 vi. 划船 bore v. 使厌烦；开凿；钻孔；挖掘；盯着看 n. 讨厌的人；麻烦事；(管道、枪炮等的)孔；涌潮；(找水或石油的)钻孔 boot vt. 使穿靴；引导；踢；解雇 n. 靴子；汽车行李箱；踢 bort n. [矿物] 圆粒金刚石网络短语: bort boart bort 圆粒金刚石 chunk bort 雹子圆粒钻石 kasta bort 舍弃 Life bort 爱恨情仇; 救生艇; crushing bort 破碎后用作钻砂的劣等钻石 short bort 劣等金刚石 boart bort 圆粒金刚石 Dutch bort 荷兰圆粒金刚石 bort bit 金刚石钻头；不纯金刚石钻头英语百科 Bort Bort or boart is a term used in the diamond industry to refer to shards of non-gem-grade/quality diamonds. In the manufacturing and heavy industries, "bort" is used to describe dark, imperfectly formed/crystallized diamonds of varying levels of opacity. The lowest grade, "crushing bort", is crushed by steel mortars and used to make industrial-grade abrasive grits. Small bort crystals are used in drill bits. The Democratic Republic of the Congo provides 75% of the world supply of crushing bort.
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bort /bɔːt//bɔrt/

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网络短语:

Bort