短語(yǔ)詞組短語(yǔ)collapsible of loess 溼陷性黃土The collapsible loess 溼陷性黃土collapsible loess canal 溼陷性黃土渠道cut in collapsible loess 溼陷性黃土路塹collapsible loess district 溼陷性黃土地區(qū)collapsible loess region 溼陷性黃土地區(qū)intact collapsible loess 原狀溼陷性黃土Collapsible loess tunnel 溼陷性黃土隧道 返回 collapsible loess