The functionalization principle and processing methods of PVC functional materials were introduced.介绍了PVC功能材料的功能化原理和加工方法.Compared to the other functional methods, post - functionalization are more widely researched and a...
本厂新推出的 防盗 保险锁,结构坚固,经久耐用.Our factory's new anti - theft safety looks are Both sturdy and duraBle.我又买了一把保险锁,以加强防贼的安全措施.I bought another safety lock as an additional insurance against thieves....
Nature Gold is hosted in that as fissures ? interstice ? margin and crystal face of the Pyrite.自然金常赋存于 黄铁矿 颗粒的裂隙、晶隙、边缘及晶面上.Subpleural nodules are visible particularly in relation to the major fissures.胸膜下尤其是肺裂旁亦可见结节.Fine...