"查查詞典"手機(jī)版
千萬(wàn)人都在用的超大詞匯詞典翻譯APP
- Characteristic analysis of an isentropic light piston tunnel
等熵輕質(zhì)活塞風(fēng)洞的特性分析 - Designs , produces , and supports light piston - powered and turbine - powered helicopters
設(shè)計(jì)、生產(chǎn)和支持輕型活塞與渦輪直升機(jī)。