锪孔

锪孔
huōkǒng

an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore)

1 meaning
MEANING

MEANING

  1. noun

    an enlargement at the outer end of a drilled hole, either funnel-shaped (a countersink) or cylindrical (a counterbore)

    • Countersinking is a type of enlargement at the outer end of a drilled hole.

STROKE ORDER
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