To facilitate drainage of groundwater and to maintain water flow , permeable rocks will be used for recompaction . filter layer and weepholes will also be installed . these will guarantee the normal flow of groundwater 为促进排水及保持正常水流,工程将使用具渗透性的石块作重新压实,同时安装过滤层及疏水孔,以确保地下水仍可如常流出。
正常: normal; regular; average水流: rivers; streams; waters curr ...正常水: normal water亚正常水压: subnormal hydraulic pressure正常水量: ordinary discharge正常水面: normal water surface正常水平: normal level; usual water levels正常水平面: normal water surface正常水深: neutral depth; normal depth of flow正常水深线: ndl; normal depth line正常水头: normal head正常水位: legal water level; normal elevation; normal stage; normal water level; normal water surface level; ordinary water level; ordinary water-level正常水系: regular stream pattern正常水面正常水平面: normal water surface水库正常水位: normal pool level亚正常水压面: subnormal pressure surface正常水化石灰: normal hydrated lime正常水化水泥: normally hydrated cement正常水位高程: normal water level elevation表现出正常水平: run true to form正常水位标准水位: normal water level常水: aq comm; common water aqua communis; ordinary water低于通常或正常水平: below the usual or normal level amount intensity etc水流: 1.(江河) rivers; streams; waters2.(流动的水) current; water flow; fluent; flow; [水文] stream current 水流迟缓 sluggish flow; 水流冲刷 current scour; 水流分离(作用) flow separation; 水流痕 current mark; 水流量 water flow; 水流下沉 downwelling; 水流线理 current lineation; 水流最湍急处 stream常水头: constant head permeability test