名词
中文翻译：Unknown
同义词：
['polymer', 'polyester例句：1. Polyacetals are used in the production of high-performance plastics.（聚甲醛树脂用于生产高性能塑料。）2. The polyacetals have excellent mechanical properties and can be processed at relatively low temperatures.（聚甲醛树脂具有优良的机械性能，且可以在相对较低的温度下加工。）3. Polyacetals have been widely used in aerospace engineering due to their lightweight and high strength.（由于其轻质和高强度，聚甲醛树脂在航空航天工程中得到了广泛应用。）']
例句：
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1. Polyacetals are used in the production of high-performance plastics.
聚甲醛树脂用于生产高性能塑料。
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2. The polyacetals have excellent mechanical properties and can be processed at relatively low temperatures.
聚甲醛树脂具有优良的机械性能，且可以在相对较低的温度下加工。
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3. Polyacetals have been widely used in aerospace engineering due to their lightweight and high strength.
由于其轻质和高强度，聚甲醛树脂在航空航天工程中得到了广泛应用。