因为这些薄膜使用较少的原料，从而使得它们的生产成本更低。同样重要的是，它们可以被装配在诸如金属、玻璃和塑料等基底之上。
As these films use less material they are cheaper to produce, not least because they can be deposited on bases like metal, glass and plastic.
热源和加热方式的选择不但影响玻璃纤维表面处理产品性能质量，而且直接影响到生产成本。
The selection of heat source and heating method not only influences the quality of treated glass fiber products, but also influences the production cost directly.
煤焦油替代重油在切换和使用过程中，抓好几个关键点，确保玻璃质量，降低生产成本。
When coal tar is used or replaces heavy oil as fuel some critical notes must be focused on its application so as to insure glass quality and reduce production cost.
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