常見例句Houghtalen,Robert J,Loftis,Jim C.Improving water delivery system operation using training simulators[J].Journal of Water 張超，陳武.;大型複襍引水系統(tǒng)運行調(diào)度倣真模型研究[J]Lofti 洛夫蒂,美國通信衛(wèi)星 返回 Loftis