qiānyǐn bōshù
Mandarin
Romanization
qiānyǐn
bōshù
(
Zhuyin
ㄑㄧㄢ ㄧㄣˇ ㄅㄛ ㄕㄨˋ
)
Hanyu Pinyin
reading of
牽引波束
/
牵引波束