boart
n. 圆粒金刚石(金刚石屑);圆粒金刚钻
例句
Boart Longyear said up to 200 jobs had been shed in Australia and there could be more to come.
博特朗耶尔说,多达200个工作岗位已在澳大利亚和下跌可能有更多的惊喜。