打孔

打孔
dǎkǒng
(1) [drill]∶用带钻头的器具在固体或坚固材料中凿或钻孔洞
(2) [punch]∶穿孔; 穿刺做孔

Advanced Chinese dictionary. 2013.

Игры ⚽ Нужно сделать НИР?

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