The action or process of using a pig or pigs (pig, n.1 16) to clean or inspect the inside of an oil or gas pipeline.
| 单词 | θ210464 |
| 释义 | society > occupation and work > industry > drilling for oil or gas > [noun] > laying of pipelines > cleaning or inspecting pipelines (1) pigging1972 The action or process of using a pig or pigs (pig, n.1 16) to clean or inspect the inside of an oil or gas pipeline. |
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