It is the key of popularizing such a technique on a large scale to design and make an impactor with excellent performance.

而其中性能优良的冲击器的设计与制造是该技术得以大面积推广的关键所在。

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The high performance concrete and excellent form scaffolding are the key factors related to project quality and cost in the finished concrete building.

对于饰面混凝土建筑，高性能的混凝土和优质的模板脚手架是关系工程质量和造价的重要因素。

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The can's excellent performance and low cost means that it will remain a key pack type, but will continue to lose out to other formats that offer added functionality.

由于其优秀特征和低成本性，金属罐现在也成为食品包装方式的重要存在，不过市场占有率正逐渐被有附加功能性的其他包装形态夺去。

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