Guide Ditch ahead of Cofferdam的意思|示意

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围堰前的导沟

Guide Ditch ahead of Cofferdam的网络常见释义

围堰堰外引渠 ...：导流隧洞围堰堰外引渠水下爆破安全振动监测 [gap=864]Keywords: WaterConveyance Tunnel, Guide Ditch ahead of Cofferdam, Underwater Blasting, Safe VibrationTest ...