Lack of world wide availability of formal training programs for underwater operations.
缺乏在世界范围内通用的水下作业培训大纲。
Personnel engaged in underwater operations should receive proper certification which accurately reflects their level of experience and training.
从事水下作业的人员应该获得正确反映其培训和经验水平的合适的证书。
Of the underwater operations that are still afloat, the most successful have been small ventures, offering only a room or two and somewhat minimal amenities.
在依然是漂浮不定的水下企业当中，最成功要数小型风险企业，它们只提供一两间客房，或者多少是最基本的设施。
And while underwater methane emissions are certainly worrying, this is just the tip of the iceberg: every day, the oil industry contributes to global warming simply through its routine operations.
虽然海底甲烷排放确实令人担忧，这仅仅是冰山的一角：石油工业每天仅其日常运作就对全球变暖造成极大影响。
The company’s products include pipelines and risers used in underwater oil-field operations.
该公司的产品包括油田水下作业所用的管道和立管。
The company's products include pipelines and risers used in underwater oil-field operations.
该公司的产品包括油田水下作业所用的管道和立管。
For different operating requirements and vehicle interface, develop underwater installation, detection, rescue and salvage operations tools, or provide service.
针对不同作业要求和运载器接口，研制水下安装、探测、救捞等专用作业工具，或者提供相关服务。
Both wet and dry underwater welding operations are presented to repair the burst at the welding seam of large size crossing steel pipe.
介绍了大口径过河钢管接口焊缝爆漏现象，以及湿法和干法水下焊接修复技术。
Mainly engaged in rivers, lakes, sea, reservoirs, electric power underwater engineering operations and ship repair, ship agency, electrical and mechanical equipment installation and other services.
主要从事江、河、湖、海、水库、电力等水下工程作业及船舶修理、船舶代理、机电设备安装等服务。
Mainly engaged in rivers, lakes, sea, reservoirs, electric power underwater engineering operations and ship repair, ship agency, electrical and mechanical equipment installation and other services.
主要从事江、河、湖、海、水库、电力等水下工程作业及船舶修理、船舶代理、机电设备安装等服务。
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