punch marking, centre punching
Language
Term
Description
English
punch marking, centre punching
setting a point-shaped mark in a piece of metal
Chinese
打孔標記, 中心打孔
把一點在金屬上用記號
German
ankörnen
das Setzen einer punktförmigen Markierung in Metall
French
pointeau
outil utilisé pour marquer un point sur une pièce métallique
Japanese
KBM型
PTBを参照．「SC」は顆上での懸垂を示す．
Spanish
Turkish
zımbalama
metal parçasını noktalama (delinecek yerleri metal üzerinde işaretleme)
Vietnamese
máy khoan lỗ
khoa một lỗ trên kim loại