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standard sieve
标准筛
筛孔尺寸有一定比例、筛孔大小和筛丝直径均按照标准制造的一组筛子。是筛分分析的工具。
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abalone ,Xipan
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ABAMP
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A band
abandoned channel
abandoned gas reservoir pressure
abandoned gas well production
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abas
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Abasuba Community Peace Museum
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abatement and exemption of tax or postponement of tax collection
abatement of urban non-point source pollution
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