在险峻的地势处临时筑起的堤坝可以用非织造布进行加固———由于在香港和中国南部降水量大 ,时有洪涝发生 ,因此这是一个与其所处的环境密切相关的课题。采矿业生产中砂砾和岩石携带的泥浆流入为此而设的盆地或废弃的炼矿坑中。大多数情况下沉积盆地占地很多。因此 ,经常要在 The temporary dikes erected on steep terrain can be reinforced with nonwovens - a problem that is closely related to the environment in which it is located, as floods occur frequently in Hong Kong and southern China. Gravel and rock-borne mud from the mining industry flows into the basins or abandoned mining pit for this purpose. Sedimentary basins occupy a large area in most cases. Therefore, often want to