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snake melan cloth
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snake melan cloth
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snake melan cloth
菜瓜布
纤维经饱和浸渍或喷洒黏合固网,黏合剂内常用酚醛树脂或环氧树脂作硬化剂,以金刚砂细粒(粒度180~320号)作磨料的产品。
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zero matrix
zero mean
zero-mean normalization
zero measure
zero meridian
zero method
zero-minimality
zero-minimal two-sided ideal
zero mode
zero module
zero morphism
zero multiplication
zero net growth isocline
zero-neutrino double β decay
zero neutron-absorption cross-section
zero object
zero object of a category
zero of a differential
zero of a division ring
zero of a field
zero of a function
zero of a lattice
zero of an Abelian group
zero of an Abelian integral
zero of an algebraic system
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