?斜井开拓
...斜井开拓；中央并列式；无轨胶轮车 [gap=3745]Key word: the inclined longwall; large mining height; opening up by inclined shafts ; central compound –like; the trackless rubber tyred car ..
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。