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来源：雅诚德英语网
The paper introduced the design, construction and protection technology for blasting network of (30 + 15) ton dock cofferdam under water-filled condition.
介绍了充水条件下(30 +15)万吨级船坞围堰水下爆破网路的设计、施工与防护技术。
The paper introduced the design, construction and protection technology for blasting network of (30 + 15) ton dock cofferdam under water-filled condition.
介绍了充水条件下(30 +15)万吨级船坞围堰水下爆破网路的设计、施工与防护技术。