本文通过对生产保温涂料所用各种原材料的性能及其在涂料中的作用进行分析，介绍了一种使用原材料种类少、生产工艺简便易行及经济效益好的生产保温涂料的方法。

The properties of raw materials used in producing compound silicate insulation paint are analysed in this paper. The new method produced insulation paint is simple, and use a few of raw materials.

youdao

其中的一个问题是，尽管工业生物技术中使用的原材料不来自矿物燃料，但仍会引起难以解决的道德问题。

One problem is that even though the raw materials used in industrial biotechnology may not be derived from fossil fuels, they are still capable of stirring up some difficult ethical questions.

youdao

此外，布莱恩特强调阿拉巴马的建筑企业可以使用本地的原材料，如南方的黄木。

Bryant also emphasizes that builders in Alabama can use local materials, such as southern yellow pine.

youdao