城市设施安全技术专业英语PDF电子书下载

Unit 1 1

Passage 1 Pipeline Basics 1

Passage 2 The Alaska Pipeline 12

Unit 2 14

Passage 1 Types of Natural Gas Pipelines 14

Passage 2 The GIS Introduction 23

Unit 3 28

Passage 1 In-line Inspections （Smart Pig） 28

Passage 2 Inspection of the Corrosion State of Underground Pipelines 41

Unit 4 45

Passage 1 Pipeline Repairs 45

Passage 2 How to Recognize a Natural Gas Leak 56

Unit 5 60

Passage 1 Reasons of Pipeline Corrosion 60

Passage 2 Pipe Coatings 69

Unit 6 72

Passage 1 Valves 72

Passage 2 Gas Hydrate Primer 86

Unit 7 93

Passage 1 Pipeline Construction （Ⅰ） 93

Passage 2 The Pipe Jacking （Ⅰ） 109

Unit 8 112

Passage 1 Pipeline Construction （Ⅱ） 112

Passage 2 The Pipe Jacking （Ⅱ） 129

Glossary 131