聚乙醛可以以无规, 间同和全同形式存在.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.聚乙醛它和聚烯烃一样,可以以无规, 间同和全同形式存在.Polyacetadehyde may exist in atactic, syndiotactic and isotactic forms.仲(乙)醛,三聚乙醛一种用作溶剂和镇定剂的无色液体聚合物,...
Customers need to become a single CTP equipment towards all - digital workflow.客户必给成为简单CTP摆设 走向残数字冻处事过程的原动力.With the CIP market continues, Agfa's specific business card printing enterprises introduces Super Omni - d...
买价钱经济的家具并不意味着就要牺牲质量和样式。Buying budget-priced furniture needn't mean compromising on quality or style.现有的住房几乎少有质量过关的。Little of the existing housing is of good enough quality.现在的房子大多质量差劲透顶，肯定都是偷工减料盖起来的。Most modern hous...
Habitat wind township and village roads panacea , Micronesia, as beads Network, to facilitate passenger and freight.境风乡、镇、村皆通公路, 密如珠网, 客货运便利.Dry stone walls may appear stark and lifeless, but they provide a valuable habi...
大雨迫使我们呆在户内.The heavy rain compelled us to stay indoors.当你在户内移动的时候, 你失去照相机的控制.When you move indoors, you lose control of the camera and, curiously , the ability to jump.尽力使灯芯的燃烧部分不浸在油里. 这种灯可在户内和户外使用.Try to keep the burnin...