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1. The wire was coupled on the plug.
   这条导线接到了插头上。
2. A helicopter is used to install a guide wire.
   直升飞机用来设置导线。
3. Engineers frantically cut every demolition wire they could find.
   工兵们急忙切断他们所能找到的一切地雷的引线。
4. The invention can prevent the headphone lead wire from knotting up for protection and prolong the service life.
   本发明可防止耳机引线打结，保护耳机引线，延长使用寿命。