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powder metallurgy mechanical parts
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powder metallurgy mechanical parts
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工学
粉末冶金材料
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powder metallurgy mechanical parts
粉末冶金机械零件
采用粉末冶金技术制造的机械零件。又称烧结机械零件。通常包括机械结构零件、含油轴承和摩擦零件等。
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Mural Tomb of Xinmang Period at Yintun
Mural Tombs at Chaoyang Three-Yan Period
Mural Tombs at Lujiazhuang
Mural Tombs of Feng Clan of Jing County
Mural Tombs of Han Dynasty at Wangdu
Mural Tombs of Han Dynasty at Xi'an
Mural Tombs of Northern Wei Dynasty at Jimingyi
Mural Tombs of Northern Wei Dynasty at Luoyang
Mural Tombs of Wives of King Anguoxiang
muramic acid
muramidase
Murasaki Shikibu
Murat Kunt
Murayama Tomoyoshi
Murchison crater
Murchison meteorite
Murchison, Sir Roderick Impey
Murchison Widefield Array
Murcia
Murder in the Oratory
murder of Zhang Shenfu
Murdoch
murdochite
mu recursive function
mu-recursive function
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