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The geological exploration in water resources and hydroelectric development is a foundational work.
水利水电工程地质勘察是水利水电工程建设中的基础工作。
youdao
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The geological exploration in water resources and hydroelectric development is a foundational work.
水利水电工程地质勘察是水利水电工程建设中的基础工作。
youdao