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粉末锻造
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粉末锻造
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powder forging
粉末锻造
将压坯烧结成预成形件,然后在密闭模内一次锻造成致密制品的工艺技术。
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health effects of ambient particulate matter pollution
health effects of ammonia
health effects of arsenic pollution
health effects of atmospheric pollution
health effects of cadmium pollution
health effects of carbon dioxide
health effects of carbon monoxide pollution
health effects of chromium
health effects of cold environment
health effects of cyanide
health effects of dioxins
health effects of dust
health effects of dust mite
health effects of electromagnetic radiation
health effects of endocrine disrupting chemicals
health effects of environmental pollutant
health effects of environmental pollution on children
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health effects of fluorine
health effects of food agricultural chemicals residues
health effects of food contamination
health effects of food contamination by organophosphates pesticide
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