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精密合金
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精密合金
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精密合金
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precision alloys
精密合金
具有特殊物理、化学或生物医学性能的合金。如具有优异磁学、电学、热学等性能的合金,常用来制造电子、电工器件和精密仪器仪表等,其中一些合金还兼具特定的化学和力学性能。
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Dutch Republic
Dutch Spatial Planning
Dutch sports
dutch territorial spatial planning
Dutch Water Law
Dutch windmill graph
DuTiger-shaped Section from QinPeriod
duty
duty cycle
duty factor
Duty-household
duty in civil affairs
duty of care in treatment
duty of compulsory military service
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duty ratio
duty-related crimes
duty to planned parenthood
duty to receive education
duty work
Duu-a
Duurlig Nars Cemetery
Du Val
Duvalier family
duvet
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