x
uploads/geologic section.jpg

geologic section 【地質學;地理學】地質剖面。

geological

The construction techniques of ground - water lowering and watertight curtain in sand seam geologic sections 砂層地質降水與止水帷幕施工技術

Strengthening ill geologic section road chasm side slope with prestressed achor pile grid beam 預應力錨桿格梁加固不良地質地段路塹邊坡