At the final stage of mooring line cutting, ROV was failed to achieve its mission, div took place and completed the work by mean of air diving.
在最后切割锚链的阶段，ROV无法完成既定任务，由德威胜使用空气潜水代替完成。
In 2005, we took the lead in passing China Refrigeration and Air-conditioning Industry Association CRAA Certification and HVAC Axial fan Manufacture License in this line.
2005年在行业内率先通过了中国制冷空调工业协会CRAA认证，暖通空调用风机生产许可证。
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