BLACKSMITH'S HAND AND HAMMER TOOLS.STRAIGHT HARDIES. 手鍛和錘鍛用鍛工工具直刃鏨子。
The dynamic stress concentration problems at the swallowtail on a hammer forging die are investigated by using the dynamic photoelastie method. 用動(dòng)態(tài)光彈性法研究了錘鍛模燕尾的動(dòng)態(tài)應力集中問(wèn)題。
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