英语词汇gas drainage efficiency的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	gas drainage efficiency
释义	gas drainage efficiency 英?[ɡ?s ?dreinid? i?fi??nsi] 美?[ɡ?s ?dren?d? ??f???nsi] 释义瓦斯抽放率行业词典煤炭瓦斯抽放率???抽出瓦斯量占矿井排出瓦斯总量(包括抽出量和通风排出量)的百分率。???
随便看	crown drill crown drip crown drop crowne crowned -crowned crowned barrel crowned bit Crowned clavaria crowned crane crowned cranes crowned grinding crowned head crowned heads crowned pigeon crowned pigeons crowned pulley crowned raceway crowned republic crowned republics crowned road crowned roll crowned roller crowned roller path crownedst

英汉双解词典包含4367426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。

gas drainage efficiency