求翻译：这个公司主要研发和制造以下钢结构设备：制造高速铁路、公路桥梁使用的自行移动模架；重型门式、桥式起重机；重型隧道、码头特种运输车辆；特种悬挖钻机和大型风电吊装机。是什么意思？

The company R & D and manufacture of the following steel equipment: manufacture of high-speed railway, highway bridges using self-moving mode; heavy gantry, overhead crane; heavy tunnel, pier special transport vehicles; special suspended drilling rigs and large-scale wind power hoisting machine

The Company's major R&D and manufacturing the following steel structure equipment manufacturing high-speed railway, roads, and bridges : Using the self-Mobile model framework; heavy door type, 5-75; heavy tunnel, pier special transportation vehicles; special hanging Rotary rig and large-scale wi

This company mainly researches and develops and makes following steel structure equipment: Makes the high-speed railroad, the highway bridge use voluntarily motion pould frame; Heavy gate type, bridge type hoist crane; Heavy tunnel, wharf special carrier vehicle; Special hangs digs the drilling mach

The main research and development and manufacture of steel structure for the following equipment: manufacture of high speed railway, highway and bridge yourself using the MSS; heavy doors, overhead traveling crane; heavy special tunnel, Terminal transport vehicles; special suspended drilling and hoi

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