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cutting stylus उदाहरण वाक्य

cutting stylus हिंदी में मतलब

उदाहरण वाक्य

  1. Among the later improvements, the Graphophone used a cutting stylus to create lateral "'zig-zag "'grooves of uniform depth into the wax-coated cardboard cylinders rather than the up-and-down hill and dale grooves of Edison's then-contemporary phonograph machine designs.
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