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机制砂
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机制砂
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manufactured sand
机制砂
经除土处理,由机械破碎、筛分制成的,公称粒径小于5毫米的岩石、矿山尾矿或工业废渣颗粒。不包括软质、风化的颗粒。
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face of a simplex
face of simplex
face-on galaxy
face-on object
face-on spiral galaxy
face operator
Face Paintings of Chinese Operas
face paintings of Kunqu opera
face perception
facepiece
face plate
faceplate
face presentation
face pumped laser
face-pumped laser
face-pumping
face recognition
face reconstruction
face-regular polyhedron
face ring
face-ring stray field
face seal
face-sheet
faceshield
facet
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