报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法. A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper.
The light is resolved by prisms, gratings, or by an interferometer.光线用棱镜 、 光栅或干涉仪分解.Many of the roofs were so full of holes that they looked like gratings.许多屋顶千穿百孔,象筛子一样.All gratings shall lie flat with no tendency to ro...