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powder metallurgy anti-friction materials
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powder metallurgy anti-friction materials
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工学
粉末冶金材料
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powder metallurgy anti-friction materials
粉末冶金减摩材料
采用粉末冶金技术制造,具有低摩擦系数的金属材料,或金属和非金属的复合材料。又称烧结减摩材料。
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chiral coordination compound
chiral current
chiral Dirac operator
chiral drug
chiral drug analysis method
chiral field
chiral gas chromatography
chiral graph
chiral high performance liquid chromatography
chiral inversion
chirality
chirality biotransformation
chirality center
chirality element
chirality invariance
chirality of drug
chirality operator
chirality plane
chirality sense
chiral knot
chiral liquid chromatography
chiral liquid crystal
chirally-coupled core fiber
chiral macromolecule
chiral magnetic effect
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