electrosparking machine 电火花加工机床
electrosparking mveryine 电火花加工机床
electrosparking mvery singleine 电火花加工机床
electrosparking hardening method 电火花放电硬化法
electrosparking andmachinery tool grinding machine 电火花机械复合工具磨床
electrosparking photo-electric tracking wire-cutting machine 电火花光电控线切割机床
By comparing fatigue crack with electrosparking crack, the effects of crack tip on fracture toughness of ductile iron have been studied.
通过开疲劳裂纹和线切割裂纹的对比试验，研究裂纹尖端的尖锐程度对球墨铸铁断裂韧性的影响；
Therein, a certain view point is proposed in the paper, about the spark discharging principle on electrosparking surface to be strengthened.
对电火花表面强化的火花放电原理提出了一定的看法。
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