The main （）(保护层) is paint.A、primer boatB、protective coatC、top coatD、under coat
The main （）(保护层) is paint.
- A、primer boat
- B、protective coat
- C、top coat
- D、under coat
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稀料能稀释油漆。（）A、The thinner can thin down paint.B、The thinner can clean.C、The thinner isn’t the paint.D、The thinner is the paint.
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