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衬砌混凝土自防水
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衬砌混凝土自防水
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衬砌混凝土自防水
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lining concrete self-waterproof
衬砌混凝土自防水
通过防水混凝土材料及其科学施工,使衬砌主体结构自身具有一定防水能力的隧道防水措施。是衬砌结构防水的基础,也是隧道防水系统重要的一环。
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positive diffeomorphism
positive diffeomorphisms
positive differential
positive direction
positive displacement compressor
positive displacement flowmeter
positive displacement motor drill
positive displacement pump
positive displacement sensor
positive distinctiveness
positive distribution
positive divisor
positive divisorial ideal
positive domain
positive drawing
positive drive lift
positive dromotropic action
positive edge
positive effect of organizational communication
positive eigenvalue
positive eigenvalued matrix
positive eigenvector
positive electron
positive element
positive emitter-coupled logic
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更新时间:2025/7/3 19:07:58