?封闭洼地
... closed degassing system 闭式除气系统 closed depression 封闭洼地 closed diving bell 闭式潜水钟 ...
?闭洼
... 闭合盆地;内流盆地 closed basin 闭湾 closed bay 闭洼 closed depression ...
闭环衰减曲线法
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。