| 摘要 |
A wire inserting method comprises a pipe inserting step of inserting one pipe ( 5 ) into all through-holes ( 11 ) under the state where the plurality of through-holes ( 11 ) are arranged on the same axis, a wire inserting step carried out after, or in parallel with, the pipe inserting step, for inserting the electrode wire ( 2 ) through the pipe ( 5 ), and a pipe removing step of pulling out only the pipe ( 5 ) from the through-holes ( 11 ) after the wire insertion step.
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