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鍛件在未鍛壓機(jī)上成型前,加熱的坯怎樣去氧化皮? |
點(diǎn)評(píng)
壓縮空氣的成本不會(huì)比拋丸或者手工祛除低吧?空壓機(jī)一開(kāi)電費(fèi)水費(fèi)可不是小數(shù)字
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