套管 Save Sign in to save words tàoguǎn ㄊㄠˋ ㄍㄨㄢˇ pipe casing Character by character 套(tào)cover 管(guǎn)surname Guan A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0