| 单词 | 制造塑料 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔injection molding〕A manufacturing process for forming objects, as of plastic or metal, by heating the molding material to a fluid state and injecting it into a mold.射出成型：形成物体的制造过程，例如制造塑料或是金属，将铸造原料加热至液体状再将它喷射注入铸模中美国传统〔material〕Crude oil is used as the raw (= basic) material for making plastics.原油被用作制造塑料的原料。剑桥高阶 |
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