This shows that the type of chemicals, or materials, is used in making the plastic.
这表明这种化学物质或材料是用来制造塑料的。
Melamine, a chemical used in the making of plastic, was found in the baby formula; it later emerged that unscrupulous manufacturers had been adding it to food products to cheaply boost protein values.
这类奶粉中发现含有三聚氰胺,它是一种制造塑料的化学物质,后来被无良厂家添加到食品里以降低向其中添加蛋白质的成本。
Making the trumpets is simple: plastic is melted into a mold and then it sets.A small group of women take off the sharp edges to finish off the process.
制造这种喇叭非常简单:塑料被融化制成模型然后安装,一群妇女磨平锋利的边缘,工序完成。
应用推荐