英德
有道
百度
谷歌
图片
维基
百科
空洞率
[冶] voidage
- 结果治疗组比对照组空洞闭合率、痰菌阴转率均增高。
Results For the sputum negative rate and closure rate, the therapy group was higher than that in the control group. - 研究结果表明，使用等离子清洗的焊片可显著提高抽真空速率，并减少气泡，降低空洞率；
The results show that the vacuum pumping rate is increased and the void ratio is decreased obviously using solder sheet and plasma cleaning technology. - 采用新焊接方法得到的试样空洞率低、焊接效率高、质量一致性好，可用于高可靠性功率电子产品中。
The new soldering process with low void ratio, high efficiency and high quality conformance can be used in the soldering of high reliability power electronics.
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