题目内容
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提问人:网友anonymity
发布时间:2022-01-06
[主观题]
______ is the ratio of the tensile strength of a fiber material to its weight density.
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A.unidirectional B.Bidirectional C.Multidirectional D.Random
A.Spay up B.Filament winding C.Resin Transfer Molding D.Hand Layup
A.Spay up B.Filament winding C.Resin Transfer Molding
D.Pultrusion, E. Hand Layup
A.fiber orientation B.laminate plane C.interphase D.prepregs
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