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.
针对混凝土施工过程中出现的气泡现象，从材料、工艺等方面，对产生气泡的原因作了分析，从多方面提出了需采取的相应措施，以利混凝土表面气泡的消除。
According to the gas cavity in concrete construction, it analyzes the cause of it from materials and process, and corresponding measures are putted forward to relief gas cavity in concrete surface.
墨点吸附在气泡上，升到表面。
Ink particles attach themselves to air bubbles and rise to the surface.
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