《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.
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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