Gus came in through the back door, clapping limedust from his hands, smiling.
格斯从后面进来，微笑着拍拍手上的石灰粉。
2
We analyse a mass of data of experiments and conclude that calcium carbide dust can be used in place of lime completely.
经过室内的大量试验和试验路的试验数据分析，电石灰完全可以替代石灰。
3
However, engineering properties for hydrated lime asphalt mastics at 1.5 dust to binder ratio, couldn't be tested because the specimens were too stiff to mix at this ratio.