英语词汇“helper set”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	helper set
释义	helper set helper set [′hel·pər ‚set] (mining engineering) A set of timbers to reinforce the normal set of timbers in a mine.
随便看	npaui npav npaw npawg npawls npawny npawt npay npb npb16 npba npbah npbc npbcid npbcll npbd npbdc npbea npbes npbf npbg npbi npbid npbie npbit

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。