英语词汇competent formation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	competent formation
释义	competent formation 简明释义坚硬地层；不易坍塌地层网络释义 1 ?不易坍塌地层不易坍塌地层(competent formation), 此释义来源于网络辞典。
随便看	single batcher single-batch extraction single batch extraction single batch fermentation single bath single bath process single battery single-bay single bead single-bead lap joint single beam single beam balance single-beam colorimeter single-beam crane single beam crane single-beam electric crane single-beam electric hook crane single beamer single beam girder-erecting machine single beam headlamp single-beam instrument single beam laser recorder single beam mercury detector single-beam method single beam molecular absorption spectrometer

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。