营地周围架着尖利的铁丝网，且有宪兵看守。The camp is surrounded by razor-wire fences and guarded by military police.我猛踩油门踏板,发动机发出了尖利的声音.I pressed the accelerator until the engine screamed.尖利的岩石撕破了他的裤腿.The sharp rocks cut through his pants le...
Self - heating of two typical n - alkane ( n - heptane and n - hexadecane ) is studied by Accelerating Rate Calorimeter.研究燃油在绝热条件下的燃烧情况对实际应用中改善燃油燃烧性能,改进发动机工况等有着重要的指导意义.The heptane compound has a primary purpose as a plas...