单词	sandstone water from roof
释义	sandstone water from roof 顶板砂岩水
随便看	strengthening mechanism strengthening mediation strengthening meehanism strengthening member strengthening method strengthening methods strengthening middle energizer strengthening mining strengthening model strengthening monitoring strengthening motivation strengthening national foundation strengthening nativeness strengthening net strengthening of a domestic building strengthening of an old bridge strengthening of anti-seismic strengthening of bridge strengthening of bridges strengthening of criminal motives strengthening of dangerous bridges strengthening of democracy in honduras strengthening of discipline strengthening of earth-rock fill dam strengthening of existing structures