The controller can control the mark of display card to change in rule, and the display card can not display right number when it is detached. The controller can receive the control command from external detector, to change the control signal and display special content.王剑锋...
The receiving part receives the entire frame plate(A) of a duster. The frame plate is received into the receiving part through the opening. A strap fitting part is formed on the periphery of the opening. A strap(5) is fitted in the strap fitting part and both ends of the strap are ...