英语词汇“hole director”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	hole director
释义	hole director hole director [′hōl di‚rek·tər] (mining engineering) A steel framework used in underground tunneling to set the angle at which holes for a blasting round are to be drilled.
随便看	observer assessment observer assessment of alertness and sedation observer bias observer classroom environment measure observer controller observer controller communication system observer - controller/trainer observer data input nexus land use restriction agreement land use review committee land-use satellite land use services division land use subgroup of the climate action team land-use survey land use system land use, transportation and air quality connection land use transportation and economic development land use working group land use/zoning land use zoning ordinance land us one land valuation land value land value information unit land value potential

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。