常見(jiàn)例句雙語(yǔ)例句A precise rotary platform with dual bearing and a U type frame was designed to simulate the satellite push-broom in the system.在系統(tǒng)中，設(shè)計(jì)了模擬衛(wèi)星推掃的雙支承U型結(jié)構(gòu)精密轉(zhuǎn)臺(tái)。 返回 rotary broom