排水沟〔名词〕drainage lead详细»
排水沟gutterway;outfall ditch;waterways详细»
排水沟gutterway详细»
排水沟discharge ditch;drainage ditch;gutterway;outfall ditch;trench drain;waterways详细»
排水沟offtake;outfall diitch;trench drain;water gutter;water trough;waterway详细»
排水沟gully详细»