... drop stamp 落锤 drop stamping 落锤冲压 drop test for shaft bracket 轴支架投落试验 ...
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落锤锻造 drop forging; drop stamping 钢 sharpen; strop; whet 落锤锻造 drop forging; drop stamping; drop-forge; dropforging; o droforging .
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... mechanical stamping 机械冲压 drop stamping 热模锻,落锤,锤击... sheet stamping 薄板冲压 ...
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