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业务范围

01、Underwater inspection 02、Underwater embalmed 03、Underwater cleaning desilting 04、Underwater welding and cutting 05、Underwater submarine cable lay 06、Underwater crack 07、The underwater topography surv 08、Underwater reinforcement 09、Under water blasting 10、 Underwater construction and i 11、ROV underwater operations 12、Diving with helium-oxygen mixt 13、Large-depth atmospheric diving 14、Underwater Engineering Service