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hydrostatic extrusion
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hydrostatic extrusion
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挤压
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hydrostatic extrusion
静液挤压
金属挤压变形过程中,坯料不直接与挤压筒内表面产生接触,而是完全被高压介质(黏性液体等)包围,坯料借助于挤压筒内高压介质的压力,将其从挤压模的模孔中挤出,获得所需形状和尺寸制品的挤压技术。
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pollution by nitrogen oxides
pollution by organochlorine pesticides
pollution by organonitrogen pesticides
pollution by organophosphorus pesticides
pollution by particulates
pollution by pesticides
pollution by pharmaceuticals and personal care products, PPCPs
pollution by plasticizer
pollution by polychlorinated biphenyls
pollution by polycyclic aromatic hydrocarbons
pollution by selenium
pollution by sulfur
pollution by sulfur oxides
pollution by tin
pollution by vanadium
pollution by zinc
pollution chemistry
pollution control chemistry
pollution control for agricultural land
pollution control for the waste incineration power generation
Pollution Control Process
pollution control system of cargo terminal
pollution control technology
Pollution damage assessment
pollution discharge outlets
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