封闭洼地
- n.closed depression
- 网络bolson
封闭洼地封闭洼地
closed depression
石油英语词汇(C3) ... closed degassing system 闭式除气系统 closed depression 封闭洼地 closed diving bell 闭式潜水钟 ...
bolson
测量学专业词汇英语翻译（六） ... 粉末显影 dust development 封闭洼地，沙漠盆地 bolson 封蜡 sealing wax ...