《刮灰》是是一个汉语词语，读音是gua hui，是指将瓦片碾磨，筛分粗、中、细灰，与生漆调合成漆灰泥。
进口阀座可作刮灰板，即使在落灰情况下也关闭自如。
Import valve seat can shave the disheartened board, close freely even UN fall gray cases.
在项目进行的不同时期里，计划改变或者延迟大多是由于欧洲火山灰云喷发，墨西哥洪水泛滥，蒙特利尔热浪袭人及美国刮飓风等各因素造成。
At various times in the project, plans were changed or delayed due to volcanic ash clouds in Europe, floods in Mexico, a heat wave in Montreal and a hurricane in the us.
天气预报员约翰。哈蒙德说：“明天整天会刮东北和西北风，所以很可能整个周五会是火山灰云天气。”
Forecaster John Hammond said: "We're going to see NE and NW winds throughout tomorrow, so the cloud is likely to continue throughout Friday."
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