drain opening〔名词〕排水出口详细»
排水口scupper;water freeing port详细»
排水口〔名词〕wash port详细»
排水口discharge outlet;dischatge port;scupper;water freeing port详细»
排水口discharge opening;drainage outlet;exhaust outlet;freeing port;wash port详细»
排水口freeing port;drain opening详细»