Emergency facilities need to be progressively improved or replaced with simplepit latrines, ventilated improved pit latrines, or poor-flush latrines as the situation develops.
应急设施必须随着情况改善予以逐步改进或以简易坑式厕所、通风改良坑式厕所或节水型水冲式厕所予以替代。
2
Soil nailed walls support technology is wide applied in foundation pit engineering because of low cost and simple construction.
土钉墙支护技术以其费用少，施工简便在基坑工程中得到广泛应用。
3
The method of one dimension FEM used in foundation pit supporting is simple and applied.