Specification for plastics connectors for use with horizontal outlet vitreous china wc pans 水平排水陶瓷抽水马桶用塑料连接件规范
3.
Road and airfield surface characteristics - test methods - measurement of pavement surface horizontal drainability 道路和飞机场表面特征.试验方法.路面水平排水性的测量
4.
Road and airfield surface characteristics - test methods - part 3 : measurement of pavement surface horizontal drainability 道路和机场表面特征.试验方法.第3部分:路面表层水平排水能力的测量
5.
Horizontal drain hole is a familiar type of drainage facility in slope drainage system . its drainage effect has great impact on the pattern of slope seepage field 水平排水孔作为边坡处治的一种排水设施,对边坡的渗流场分布有着很大的影响。