英语词汇“drain layer”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	drain layer
释义	drain layer noun 1A person or company that lays or repairs drains. 2A machine used in the construction of a drainage system. Origin Early 20th century.
随便看	optical glass optical illusion optical indicatrix optical isomer optical isomerism opticality optical lattice optical length optically optically active optical microscope optical model optical molasses optical mouse optical path optical printer optical pumping optical pyrometer optical rotation optical rotatory dispersion optical scanner optical scanning optical sound optical square optical switch

英语词典包含243303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。

drain layer