How do you （）the heavy rust on the plates?
The （）plates should be scraped and brushed to bare metal.
The rusty plates should be wiped clean before paint is （）.
Metal plates that cover the top of the hawsepipe are called（）.
The rusty plates should be scrapped and brushed to （）(出白金属).
All of the following operating characteristics are listed on the name-plates of motors used aboard ship except the（）
As to the stained plates，the fault lies（）you.
Upon underwater（）by divers，there are no apparent（）on the bottom plates of the said vessel.
Buckler plates are（）.
Where are the zinc plates located?（）
