Moreover, forcing the steel industry to suppress the price increase slowed down the substitution of aluminum and plastics for steel in the production of cars and other products.

此外，强迫钢铁行业压低价格，会减少汽车以及其他产品生产中铝以及塑料这些钢铁替代品的生产。

youdao

Glass, stainless steel and some plastics are food grade.

玻璃，不锈钢和一些塑料就属于食品级材料。

youdao

It's used in mining, steel production, oil refining and chemical synthesis, and in the manufacture of fertilisers, detergents and plastics.

它被用于采矿、炼钢、石油精炼化工，以及制造化肥、洗涤剂和塑料。

youdao

Things like steel and polymers, or plastics, and ceramics, and of course computers which has progressed remarkably due to the work of engineers in your lifetime, until now you can carry around a cell phone, which would have been unthinkable even 30 years ago.

包括钢铁,聚合物,塑料,陶瓷,当然,计算机这个在你们的有生之年,已经取得令人瞩目的进展的发明,也得归功于工程师的工作,现在你们的手机能随身携带,而这在三十年前是不可想象的

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The stocks will be required for the foreseeable future for transport, and the steel, cement, and plastics industries.

BBC: News Online