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。
2
In 2005, we tookthe lead in passing China Refrigeration and Air-conditioning Industry Association CRAA Certification and HVAC Axial fan Manufacture License in this line.