Download - €¦ · RACKET TWISTING STRENGTH TESTER QB/T 2770 This machine is designed to determine the twisting strength of badminton and tennis rackets. Two supports of the machine are used

Transcript
Page 1: €¦ · RACKET TWISTING STRENGTH TESTER QB/T 2770 This machine is designed to determine the twisting strength of badminton and tennis rackets. Two supports of the machine are used