單項(xiàng)選擇題

The rusty plates should be scrapped and brushed to （）(出白金屬).

A. clean
B. smooth surface
C. bare metal
D. clear

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單項(xiàng)選擇題

Loose paint and scale are removed with a （）(刮刀).

A. chipping hammer
B.scraper
C. lining brush
D. hammer

單項(xiàng)選擇題

We can remove the heavy rust on the plate with a （）(敲銹錘).

A. scraper
B. hammer
C. chipping hammer
D. lining brush