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粉末锻造
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粉末锻造
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粉末冶金
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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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rice bean
rice black-streaked dwarf disease
rice bran oil
rice cadmium exceeded events
rice clause
rice cyst nematode disease
rice direct seeder
Rice distribution
rice-duck farming system
rice dwarf disease
rice ear-cutting caterpillar
rice ephydrid
rice ephydrid fly
rice false smut
rice-field eel
ricefield eel culture
rice-field eels
ricefield flatsedge
rice field seeding-machine
rice field tillage
rice-fish mutualism in terraces
rice-flavor liquor
rice flour dough
rice gall dwarf disease
rice gall midge
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