有机化学家接受了平均平面环己烷的理论.Organic chemists accepted the theory of the average planar cyclohexane ring.己烷是一种石油碳氢化合物.The petroleum hydrocarbon is called hexane.利用气液双循环的高压气液平衡装置,测定了二氧化碳 - 环己烷在313.Gas - liquid equilibrium data for ...
Composite globe structure in transparent acrylic lucite.透明丙烯酸树脂合成球状结构.Same. business card printing and membership card materials for all transparent filmogen.同样. 制卡和会员卡制作材料为全透明的薄膜材料.Snapshot isolation is completely trans...