base of slide滑坡: hill-creep; landslide; lands ...底面: soffit; basal plane; plancee ...高程: altitude; elevation地面高程: exist ground level; ground height; level of the floor; surface elevation海面高程: sea water level; sea-level elevation; swl下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:滑坡底面高程，即可在微信中查询翻译
