Read Edit View history 涵管 hánguǎn culvert pipe Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 涵管 · hánguǎn · culvert pipe 2026/03/04 涵管 hánguǎn culvert pipe culvert pipe 雨水通过涵管排入河流。 noun created sense Mar 4, 2026, 02:25 AM