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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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emission factors
emission flux
emission frequency
emission inventories
Emission inventory of pollutants
emission line
emission-line galaxy
emission-line nebula
emission-line object
emission-line star
emission measure
emission mechanism
emission microscope
emission nebula
emission nebulosity
emission of black hole
emission operator
emission performance standard for stationary source
emission point
emission probability
emission process
emission sources
emission spectrographic analysis
emission-spectroscopical
emission spectroscopy
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