• 应用声波进行体积混凝土结构裂缝检测有效地解决上述问题

    The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.

    youdao

  • 应用声波进行体积混凝土结构裂缝检测有效地解决上述问题

    The application of inter borehole acoustic wave method to probing deep cracks in mass concrete can effectively solve the above mentioned problems.

    youdao

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