Used attributively and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison…
| 单词 | θ72410 |
| 释义 | the world > matter > properties of materials > temperature > heat > burning > products of burning > [noun] > smoke > chart used in estimating density (1) Ringelmann chart1898 Used attributively and (now rare) in the genitive with reference to a method of estimating the darkness and density of smoke by visual comparison… |
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