The product has changed dramatically, from a single thickness of 6.8 mm to a range from sub-millimetre to 25mm, from a ribbon frequently marred by inclusions and bubbles to almost optical perfection.
2. 并列
It reveals process faults upstream that can be corrected.
It enables computers downstream to steer cutters around flaws.
【雅思阅读辅导:浮法玻璃产品的新变化】相关文章:
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2016-02-26
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