查詞語
◎ 打孔 dǎkǒng(1) [drill]∶用帶鉆頭的器具在固體或堅(jiān)固材料中鑿或鉆孔洞(2) [punch]∶穿孔;穿刺做孔
1.bore; punching; dock; punch; drill a hole; punch a hole; perforate
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