American Petroleum Institute (used esp. with reference to a scale, developed by the Institute, for expressing the relative density of oil).
| 单词 | θ210482 |
| 释义 | society > occupation and work > industry > drilling for oil or gas > [noun] > scale of oil density (1) API1922 American Petroleum Institute (used esp. with reference to a scale, developed by the Institute, for expressing the relative density of oil). |
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