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轻混凝土
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轻混凝土
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轻混凝土
释
light weight concrete
轻混凝土
由轻的粗骨料、细骨料、水泥和水,必要时加入化学外加剂或矿物掺合料配制而成的,表观密度不大于1950千克/米3的多孔轻质混凝土。
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Biosecurity Actfor New Zealand
biosecurity in aquaculture
biosensing polymer
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biosensor detection of aquatic products
bioseparation engineering
bio-seperation system
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Biosimilar
bio-slow sand filtration
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biosphere
Biosphere 2 Experiment
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biosphere reserve
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