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- Are outputted boards at least sample inspected pre reflow for placement, missing components, and solder defects? 回流焊输出之板是否至少抽样检查板的置件精度,有无少件和不良焊点?
- This could cause a variety of solder defects, ranging from solder balling to non-wetting to damaged devices to voiding to charred residues. 这样会产生许多焊接缺陷，诸如锡球、润湿不良、破坏元器件、空洞、碳化等。
- In order to reduce soldering defect and ensure the performance of auto instrument,this paper expounds its quality control measures from 5 ways. 为减少焊接缺陷，确保汽车仪表的性能，从5个方面阐述了对汽车仪表印刷电路板手工锡焊的品质控制措施。
- Lead-free can increase the incidence of solder defects and requires a good understanding of the properties of the lead-free alloy and flux system to prevent them. 无铅可导致发生焊接缺陷的几率增加,预防缺陷出现需要对无铅合金和焊剂配系具有更好的理解。
- Because the ramp rate of the RTS profile is so controlled, there is much less concern of solder defects or thermal shock to the assembly resulting from too high a ramp rate. 另外，由于在回焊炉曲线前端热量的减少，RTS曲线更经济。
- They detected no defect in the product. 他们没发现产品有任何问题。
- This was his fatal defect; he was of feeble will. 这是他致命的弱点，他意志薄弱。
- 3 To confirm no soldering defect on PCB. 确认电路板的元件是否有浮焊。
- A defect of focus, such as blurring in an image. 像差焦点不准确而造成的物像模糊
- Near-sightedness is a visual defect. 近视是一个视力缺陷。
- A defect in the fuel lines prevented the missile from blasting off. 燃料管路上的一个缺陷妨碍了导弹的发射。
- In other cases, water was in excess, and fire in defect. 至于其它的情形则是水分太多，火候不足。
- One of the lorries dropped back with a mechanical defect. 一辆卡车因出故障而落在后面了。
- solder defect 焊接缺陷
- A defect in a legal document that can render it invalid. 破绽，失效可能导致其无效的法律文件的漏洞
- If it were not for this defect, I shall hire him at once. 如果不是因为这个缺点，我会马上雇用他。
- A defect of vision prevented him from focusing accurately. 视力上的缺陷使他不能准确对焦。
- Suit for reflow and wave flow solder. 适应再流焊与波峰焊。
- SMOBC: Solder mask over bare copper. 一种阻焊层覆盖裸铜的工艺。
- All the mice in the study expressed the defect. 所有供研究的老鼠都证明了它们基因的缺陷
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
