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| 针孔指集成电路工艺的; 罐壁穿孔指罐头铁片因电解作用而穿孔; 刺孔 | |||
| 黄心正中点用"X"标示 | |||
| 小孔 | |||
| 针孔; 销孔; 栓孔 | |||
| 气泡; 气孔; 气孔 (Steel flow velocity at the meniscus level should be in an optimum velocity range to avoid pinholes (velocity too low) and mold powder entrapment (velocity too high). 金属弯月面处的钢水流速应维持在一个最适宜的速度范围内，以避免(因流速过低)形成针孔缺陷和(因流速过高)造成结晶器保护渣卷人。) | |||
| 阳极棒孔 | |||
| 针孔〈模压缺陷〉 | |||
| 针状气孔 | |||
| 砂眼 | |||
| 塞孔 | |||
| 小洞; 针洞; 针眼; 针洞疵 | |||
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| 针〔小，销，栓，塞，冲，凿，穿〕孔; 细缩孔; 细孔隙; 阳极棒插孔; 皮下气孔; 疏松 | |||
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| 气孔 | |||
| pinhole: 58 phrases in 16 subjects |