... pneumatic flour mill 气动磨粉机 pneumatic forging hammer 压缩气锤 pneumatic grab 风动抓岩机 ...
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... pneumatic forging hammer 压缩空气锤 pneumatic hammer disease 汽锤工病 pneumatic hammer drill 气动冲击钻机 ...
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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.
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。
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