碳化合物氧化后必然会产生二氧化碳。Carbon dioxide is a necessary result of the oxidation of carbon compounds.氧化胆固醇可能是造成动脉堵塞的元凶。Oxidized cholesterol may be responsible for furring up the arteries.碳、氢、氧化合形成碳水化合物和脂肪。Carbon, hydrogen and oxyg...
固体推进剂发动机系统的可调性基本上比液体或混合型的要差.Solid propellant engine systems are basically less flexible in operation than liquid or hybrid propellant systems.拖到绘图页上, 然后右击可指定电感器芯和可调性.Drag onto the page, then right - click to specify indu...