玻璃管 Traditional form: 玻璃管 Pinyin (reading): bōliguǎn Definitions: glass tube Characters: 玻 - glass 璃 - glass; colored glaze 管 - tube, pipe, duct; to manage, to control Traditional characters: 玻 - glass 璃 - glass; colored glaze 管 - tube, pipe, duct; to manage, to control