stone drain 中文意思是什麼
stone drain
解釋
亂石盲溝排水-
Stone bench values also dash our hopes and dreams about lifelong learning down the lake, i mean, drain
「長石椅式的價值觀」也會讓我們實現終生學習的希望和夢想成為泡影。 -
Firstly, a study is made on the main diseases usualy happened and disposing plan of the dams composed with earth and stone. the principle of anti - seepage of the dams is to block up upside and drain underside
本文首先探討了土石壩常見病害原因及處理措施,通過分析認為,對于土石壩的滲透破壞,防滲處理的原則是「上堵下排」 。
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