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- Based on the analysis and practice of the ultrasonic soldering process, the results show that it is important to procure high soldering quality on controlling submersion depth, the ultrasonic soldering time, assembling clearance and solder composition. 根据对超声波钎焊工艺的分析和实践,结果表明控制产品在钎焊时的浸没深度与产品装配间隙、超声波钎焊时间和钎剂成分是获得高钎焊质量的重要条件。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- Time is sometimes called the fourth dimension. 时间有时被称为第四度空间。
- I think the work can be completed ahead of time. 我认为这项工作能提前完成。
- He will come on time even though it rains. 即使下雨,他还是会准时来的。
- Reading occupies most of my free time. 阅读占去了我大部分的闲暇时间。
- I need some time to orient my thinking. 我需要一些时间来使我的思想适应。
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- At that time he had two helpers. 当时他有两个助手。
- I'm sorry to obtrude on you at such a time. 我很抱歉在这个时候打扰你。
- 7Cu/Cu thickens with soldering time and the higher the Cu content, the thicker the IMC is. Sn-0.;5Ag-4Cu钎料在短时焊接时IMC层较薄;随着焊接时间的延长;Cu6Sn5的沉淀作用使得IMC层长大速度较快。
- I referred to my watch for the exact time. 我看了一下手表好知道准确的时间。
- God mete out justice in his own good time. 羞恶自有报,只争迟与早。
- I spend most of my time scouting around for book. 我把大部分时间都用来找书了。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- The teacher let him off the hook with a warning this time. 这一次老师放过他,只给了一个警告。
- I'll overlook your lateness this time. 我可以不计较你这一次的迟到。
- He get seasick every time he crosse the channel. 他每次渡英吉利海峡时都晕船。
- It took him long time to smooth away perplexities. 他花了好长时间才消除了困惑。
- It is time to pony up on that bill. 是照帐付钱的时候了。