12 个部分别是: A 聚合物、塑料(Polymers and Plastics) B 药物(Pharmaceuticals) C 农业(Agricultural) D 食品、洗涤剂、水处理、生物技术(Food Detergents Water Treatment and ...
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Phenol polymers are produced at an annual rate of 2.2 million metric tons per year in the United States for many industrial and commercial applications including durable plastics.
美国每年生产大约220万公吨的苯酚高分子材料,用于工业和商业领域,包括生产耐用塑料。
In addition, excimer lasers have allowed plastics and polymers to be cut with extraordinary precision.
此外,准分子激光器已经允许塑料和聚合物,以非凡的精确切割。
Compared with other adhesives, SBS elastomer has both characteristics of plastics and rubber, which has good compatibility and adhesion to a variety of polymers.
与其他胶粘剂相比,SBS弹性体兼有塑料和橡胶双重特性,与多种聚合物具有良好的相容性和粘接效果。
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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