Tu Xing,He Kemin,Bai Cunru.Some key problems in the design of the npu open-circuit low-turbulence wind tunnel[J].Journal of Northwestern Polytechnical University,1993,11(3):254-259(in Chinese).是什么意思_Tu Xing,He Kemin,Bai Cunru.Some key problems in the design of the npu open-circuit low-turbulence wind tunnel[J].Journal of Northwestern Polytechnical University,1993,11(3):254-259(in Chinese).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句