在铸锭表面上为分散的鼓包，鼓包内为空腔，放大倍数观察，空腔内壁呈现闪亮的金属光泽。
根据端子产品塑件的结构、技术要求，对生产过程中产生的造成产品不合格的表面气泡和长针歪斜等因素进行了分析和改进。
According to the structure and technical requirements of pin terminator plastic products, the unqualified products such as surface air-bubble and long needle deflection are analyzed and improved.
墨点吸附在气泡上，升到表面。
Ink particles attach themselves to air bubbles and rise to the surface.
然而，最新的研究显示，当液体或固体表面的气泡破裂时，它们并没有简单地消失殆尽。
What the new study shows, however, is that when bubbles break open on the surface of a liquid or solid, they don't simply disappear.
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