This includes electric grinders fitted with a clutch that disengages the disc if it becomes jammed, and compressed air grinders that stall rather than kick back.

  • 这包括装有离合器的电动角磨机(如果砂轮片被卡住可将其脱开),以及压缩空气角磨机(它是停转/失速而不是反转/反向)?
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