膨胀土是影响道路及其他构造物建设的一种特殊土质，在实际工程中，其破坏力是巨大的。
Expansive soil is a special soil that affecting construction road and other structures and it has enormous destroy in actual project.
并为检验和控制海工混凝土质量，提供一种有效的测试手段。
This test method can be used as an effective means for examining and monitoring the quality of concrete in the ocean engineering structure.
在对新近发现的大黑山铜矿系统研究基础上，确立了一种新的铜矿类型—铝土质泥岩铜矿。
Base on the recent system study of Daheishan copper deposits, we built a new type of copper deposits - bauxitic mudstone-type.
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