grooved steel plate and toothed circle are ground smooth, quenched by high-temperature furnace. arrange in a row overlapping sever

grooved steel plate and toothed circle are ground smooth, quenched by high-temperature furnace. arrange in a row overlapping sever

  • JPG 300 DPI

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  • Author: dreamstime
  • License:buy for Personal Use & Commercial
  • File Type: JPG
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