sand bag well的意思|示意
袋装砂井
sand bag well相关短语
1、 the improved sand bag well 加强型袋装砂井
2、 bag sand well 袋装砂井
3、 bag sand-well 袋装砂井
4、 bag sand-well method 袋装砂井法
5、 reinforced bag sand well 加强型袋装砂井
6、 super long bag sand well 超长袋装砂井
sand bag well相关例句
Sand well the bag is a kind of anti - to pull the strength higher, water the well ventilated is good, and the acid-proof alkali decay with the material that the microorganism erode.
沙井袋是一种抗拉强度较高，透水透气性好，耐酸碱腐蚀和微生物侵蚀的材料。