Finish Constructive Survey plays an important role in the information system of underground pipeline.
竣工测量在地下管线信息系统中有重要作用。
2
Multi-beam system components, installation calibration, survey method and data processing in the pipeline inspection are introduced.
介绍了多波束的系统组成、调查方法和数据处理等内容。
3
Introduced the KR2 polarization probe's structure, the principle and application in the pipeline cathodic protection survey. Pointed out that polarize probe will substitute for reference electrode.