(钻孔; 凿孔; 打孔) bore a hole; punch a hole; punching; piercing; tresis; key punching: {医} (胃、肠等的壁因溃疡形成孔洞) perforate; perforation: 穿孔...
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... 总 assemble; gather; put togeth ... 穿孔 bore a hole; punch a hole; p ... 双重汇总穿孔机 duplicating summary punch ...
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