upsetting test
... upsetting machine锻头机 upsetting test镦粗试验 uptake flue上升烟道 ...
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局部镦粗试验 upendingtest
·2,447,543篇论文数据，部分数据来源于NoteExpress
研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.
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