您要查找的是不是：
- conductive metal ring 导电金属环
- Copper is a highly conductive metal. 铜是极易导（电、热）的金属。
- He made the wire fast to the metal ring. 他把这根铁丝紧系在金属圈上。
- Silver is a highly conductive metal. 银是导电性很好的金属。
- He made the rope fast to the metal ring. 他把这根绳子紧系在金属圈上。
- Roger made the rope fast to the metal ring. 罗杰把绳子牢牢地拴在金属环上。
- He made fast the rope to the metal ring. 他把绳子紧紧地绑在那金属圈上。
- He fastened the wire to the metal ring. 他把这根铁丝紧系在金属圈上.
- A hinged fixture, such as a metal ring or bar, used for knocking on a door. 门环供敲门用的有铰链的固定物，比如金属环或杆，
- Perhaps there is a metal ring, and the ring has to go on a tube. 也许有一个金属圈必须套在一根管子上。
- The shunt (a strip of conductive metal) is now on the outside, across from all the electrical contacts. 分流器（导电的金属条）现在变成在外面，跨过所有电性接点。
- A metal ring designed to reinforce such a hole; a grommet. 金属圈一种金属环，用于嵌在小孔上；垫圈
- A metal ring designed to reinforce such a hole;a grommet. 金属圈一种金属环，用于嵌在小孔上;垫圈
- Chrome-plated carbon steel produced five-star pin, high-strength wear-resistant nylon casters (foot cup), conductive metal chain assembled. 碳钢镀铬工艺生产五星脚、高强度耐磨尼龙脚轮（脚杯）、金属导电链组装而成。
- He picked up a metallic ring last night. 昨夜他捡了一个金属戒指。
- A coat of mail is made of interlinked metal rings. 甲胄是用许多互连金属环做成的
- A metal ring that moves freely back and forth on a rope,rod,or spar. 滑环在一根绳、杆子或圆材上可以自由来回移动的金属环
- A metal ring that moves freely back and forth on a rope, rod, or spar. 滑环在一根绳、杆子或圆材上可以自由来回移动的金属环
- A hinged fixture,such as a metal ring or bar,used for knocking on a door. 门环供敲门用的有铰链的固定物，比如金属环或杆，
- Because then it would drown out the metallic ring in your ears. 因为然后它会的你的耳朵中淹死金属的戒指。
