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水泥的水化
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水泥的水化
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水泥特性与评价
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hydration of cement
水泥的水化
水泥加水拌和后,成为具有胶凝性质的可塑浆体,随后水泥与水发生复杂的物理、化学和物理化学变化,逐渐凝结变成坚硬的石状体的过程。又称水泥的凝结硬化。
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fishery governance measures
fishery habitat diversity
fishery in Africa
fishery industry policy
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fishery instrument
fisheryinvasive species
fishery law
fishery loans
Fishery Machinery and Instrument Research Institute
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fishery maximum economic yield
fishery maximum sustainable yield,MSY
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fishery meteorology
Fishery Modernization
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fishery optimum sustainable yield
fishery organism habitat disturbance
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fishery products nutrition and quality
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