行波管 Save Sign in to save words xíngbōguǎn ㄒㄧㄥˊ ㄅㄛ ㄍㄨㄢˇ traveling wave tube (electronics) Character by character 行(xíng)go 波(bō)Poland 管(guǎn)surname Guan A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0