| 单词 |
stone dust |
| 释义 |
stone dust stone dust[′stōn ‚dəst] (mining engineering) Inert dust spread on roadways in coal mines as a defense against the danger of coal-dust explosions; effective because the stone dust absorbs heat. stone dustPulverized stone used for walks, either mixed with earth and compacted or mixed with gravel to fill the spaces between irregular stones and produce a stable surface. |
| 随便看 |
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