It's a solid little slab with a similar-looking plastic front and rubberized texture as the $79 non-touch model, but with fewer buttons.
这款结实小巧的电子书与79美元的非触摸款外形类似,正面采用塑料材质,而背面则同样以橡胶制成。
Objet’s machines can produce not only solid things out of plastic-type materials, but complex ones with moving parts too, such as a working model of a bicycle chain or a small gearbox.
Objet Geometries不但可以制造塑料的立体物品,还能制造有活动零件的复杂产品,如自行车链或小变速箱的可用模型。
Device used to crush or pulverise plastic or solid coating to powder form.
压碎、研磨塑料或固体涂料成粉末形式的设备。
Cross-linked is not the right word-- that is chemically bonded with repeat units to make large molecules so that when you have a bunch of large molecules together they have certain physical properties like the solid property of the plastic that you're sitting on.
交联这个词不确切,应该是由化学键连接的,重复单位构成大分子,当许多分子聚合在一起后,它们就会具有某种物理特性,就像你们正坐着的,塑料一样,具有固体特性
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