| 摘要 |
<p>A cutting tool for a rotary cutting drum includes a holder block and a sleeve configured to receive a cutter bit, the sleeve including a spray nozzle for spraying water on the cutter bit. The holder block and sleeve each includes a flow passage that is in registration with the other flow passage or opens onto an annular flow interface to flow water through the holder block and to the spray nozzle.</p> |
