常見例句雙語例句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)計了模擬衛(wèi)星推掃的雙支承U型結(jié)搆精密轉(zhuǎn)臺。 返回 rotary broom