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A carbon steel liner is utilized to provide a leak proof vapor barrier for containment of concrete construction.
为防止混凝土结构的安全壳泄露，其内部有碳钢的衬垫。
youdao
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A carbon steel liner is utilized to provide a leak proof vapor barrier for containment of concrete construction.
为防止混凝土结构的安全壳泄露，其内部有碳钢的衬垫。
youdao