问题:涂装施设备中若含有硅硐物质容易产生的的缺陷是()。A、针孔B、缩孔C、桔皮D、色差...
Sunday, September 24, 2023
问题:排除涂装过失、涂层失光产生于涂料的原因的根据是什么?怎样解决?...
Saturday, December 2, 2023
问题:下列物体中哪一个是人造光源()。A、月亮B、蜡烛C、太阳D、星星...
Wednesday, January 25, 2023
Monday, June 19, 2023
Sunday, June 4, 2023
问题:空气喷涂最不适宜使用()涂料。A、粘度小B、粘度高C、粘度中等D、双组分...
Saturday, December 23, 2023
Friday, December 22, 2023
Thursday, September 15, 2022
问题:下面涂装方法中,哪种方法换色比较困难。()A、辊涂法B、空气喷涂法C、刷涂法D、电泳涂装法...
Wednesday, April 12, 2023
问题:供空气喷涂的空气压缩机和()是不可分的两种重要设备。...
Friday, July 7, 2023
Thursday, September 15, 2022
Friday, December 22, 2023
问题:为防止流挂产生,一次喷涂厚度一般在()μm左右为宜。A、15B、20C、25D、30...
Saturday, December 17, 2022
Saturday, December 17, 2022
Monday, June 19, 2023
Thursday, September 15, 2022
问题:利用高速旋杯喷涂工件时,喷径的大小主要取决于()。A、空气压力大小B、涂料的流量C、旋杯的转速D、电场强度...
Monday, June 19, 2023
问题:在生产过程中,PVC密封胶容易出现()和()等现象。...
Friday, July 7, 2023
问题:金属除锈效果最好的方法是()。A、机械法B、碱液法C、化学法...
Sunday, June 18, 2023
Monday, September 12, 2022