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- The result shows that the plastic strain at the heel region induced by wire bonding process, molding process and the thermal stress and strain in solder reflow are the main causes of heel crack. 结果显示由于引线键合工艺、注塑工艺以及回流焊中封装体各部分不同的热膨胀系数引起的热应力和塑性变形是产生引脚跟断裂的主要因素。
- His Achilles' heel was his pride. 他的致命伤就是骄傲自大。
- The article introduces the process of cracking of the dam heel and the analysis of causes by domestic experts.The effect of dam heel cracking on the safety of Shimen concrete arch dam is analyzed. 介绍石门拱坝坝踵产生裂缝的过程及国内专家对裂缝成因的分析，同时分析了坝踵开裂对大坝安全的影响。
- Study of Heel Crack in the Lead-Free Soldering for Power MOSFET Package 功率MOSFET无铅化封装中铝线引脚跟断裂研究
- DAM HEEL CRACK OF SHIMEN ARCH DAM AND ITS EFFECT ON DAM FOUNDATION UPLIFT 石门拱坝坝踵裂缝及其对坝基扬压水位影响
- He is very skilled at pivoting on his heel. 他能非常熟练地以脚跟旋转。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- Place your right toe in line with your left heel. 把右脚趾与左脚跟排在一直线上。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- My heel has come away from the rest of the shoe. 我的鞋后跟从鞋子上脱落了。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- You'll crack up if you go on working so hard. 你继续这样拚命干下去，身体会吃不消的。
- Effect of Different Si-Al Wires on Bond Heel Cracks 不同状态的Si-Al丝对键合点根部损伤的影响
- Have another crack at solving this puzzle. 再试一试把这个难题解决了吧。
- His heel is raw because his shoe doesn't fit well. 因鞋子不合适,他的脚後跟擦破皮了。
- There is a hole in the heel of one of your socks. 你一只袜子的後跟有个洞。
- She made a crack about his fatness. 她取笑他肥胖。
- I scuff the heel of my boot on the step. 我的靴子后跟在台阶上磨坏了。
- There is a crack in this window. 这扇窗户上有个裂纹。
- I scuffed the heel of my boot on the step. 我的靴子後跟在台阶上磨坏了。
