outlet drain

基本解释

Special drain outlet convenient for clearing;
专用排水出口，清洗清洁方便；
shebei9.com
River sewage drain outlet general investigation register had been completed smoothly in Guangxi by combing hand computer, GPS and digital camera with this system.
在工作中，将掌上电脑、GPS和数码相机与该系统有机地结合，顺利完成了广西入河排污口普查登记工作。
There is no other outlet to drain the water from his land and therefore his land (16.70 acres) has become the catchment pond for the water from the government drains.
由于没有其他地方可以把流入该地的水排出去，因此他的16.70英亩的地，已成为政府排水沟的集水池。