... hardening of concrete 混凝土硬化 hardening of ground 地基硬化 hardening process 硬化进程 ...
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hardening g of ground 地基硬化
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The reasons of ground hardening in a large area around working areas in hazardous waste treatment plants were analyzed.
分析危险废物处理厂生产区周围进行大面积地面硬化的原因，提出加大厂区绿化的措施。
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