reciprocate

requite another's love.See Synonyms at reciprocate

reciprocate sb.'s good wishes

He reciprocated my good wishes.

Although she did not reciprocate his feelings, she did not discourage him.

7.Third process: After operated by the back forward gas baffler, the paper reciprocates to the drum of the third layer to perform flanging of the front side.

6.Second process: After operated by the front forward gas baffler, the paper reciprocates to the drum of the second layer to perform flanging of the backside.