单项选择题
A. primer B. red lead paint C. undercoat D. top coat
The rusty plates should be scrapped and brushed to （）(出...
单项选择题The rusty plates should be scrapped and brushed to （）(出白金属).
A. clean B. smooth surface C. bare metal D. clear
Loose paint and scale are removed with a （）(刮刀).A. chip...
单项选择题Loose paint and scale are removed with a （）(刮刀).
A. chipping hammer B.scraper C. lining brush D. hammer
We can remove the heavy rust on the plate with a （）(敲锈锤...
单项选择题We can remove the heavy rust on the plate with a （）(敲锈锤).
A. scraper B. hammer C. chipping hammer D. lining brush
