A在表面放置一块透明塑料片。
B在外面放置一块复合材料薄片。
C将一块强化塑料置于部件表面。
Put a transparent sheet of plastic on the surface.
He put his hand on the surface of the stone. It __________ cold.
Put the removed part on a clean surface.
Apply weight on the surface of the patch to make sure that the parts bond correctly.
The __ talk of marriage put tension on their relationship
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