?三下采煤
... three unbalanced power ==> 三相不平衡功率 three unders in coal mining ==> 三下采煤 three unique catalytic converter ==> 三元催化净化器 ...
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。