The railroad finally reached Santa Barbara in 1877.铁路终于在1877年修到了圣巴巴拉。Bridges over railroad tracks root danger out in crossing.铁轨上空的天桥排除了穿行中的危险.The railroad connects two cities, namely, New York and Chicago.这条铁路连接两个城市, 即纽...
The engineers carried the railroad across the desert.工程师们将这条铁路延伸，使之越过沙漠。Bridges over railroad tracks root danger out in crossing.铁轨上空的天桥排除了穿行中的危险.Guns fired witheringly at the railroad cars.枪一起对着列车车厢猛烈地、摧毁性地扫射.The steamb...
初步找到了一种较为合适的由糠醛制取糠醇的生产方法.A fairly appropriate method to synthesize Furfural Furfural is preliminarily found.糠醇是一种重要化工原料,其生产方法有两种: 糠醛液相加氢和气相加氢.There are two Methods: To product furfuryl alcohol: liquid phase and gas phase...