Traditional Culture Encyclopedia - Lucky day inquiry - Japanese: translate the next sentence

Japanese: translate the next sentence

つばしはバーリング processing.

Flange or hole machining

ぁらかじめぁけてぁるに, そのよりきぃ diameter.

Pre-drilled holes have a larger inner diameter (on a suitable punch with a tapered tip), which is more than the edge plate inserted into the hole and the right-angled inverted edge extrusion.