note : this refers to the on-off switch spherical test the next crew procedures; Dry spring through spherical Detection Switch quality, and it can simultaneously measuring at least 10 spherical switch, and put the measurement results uploaded to the PC.

89C51DownBallKey
................\KEYBALL
................\KEYBALL.ASM
................\KEYBALL.BIN
................\KEYBALL.DSK
................\KEYBALL.HEX
................\KEYBALL.LST
................\KEYBALL.M51
................\KEYBALL.OBJ
................\KEYBALL.PRJ
................\说明.txt

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