《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。
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."
介绍农用运输车磷化、喷涂底漆、涂刮原子灰、喷涂聚氨酯磁漆等工艺流程及注意事项。
Application of polyurethane enamel on farmer trucks with key points in the processes of phosphating, priming, atomic ash puttying and enamel spraying is described.
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