| 释义 | 
             
                pneunatic perforator
                
            穿孔器chuān kǒng qì 
 perforator剪票夹jiǎn piào jiá 
 perforator肋骨打孔器lèi gǔ dǎ kǒng qì 
 rib perforator凿孔机záo kǒng jī 
 puncher; perforator; punch; mortising machine穿孔机chuān kǒng jī 
 card punch; perforator; puncher; perforating machine; key punch
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