扣丝是用来捆扎麻袋，封口用的一种金属丝制品。
... Loop tie wire 扣丝 loop wire winder 环形绕线机 multi-loop edgewise arch wire 而多曲唇弓矫治技术 ; 弓矫治技术 ; 创造了多曲方丝弓技术 ...
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机修人员保证自动扣丝机的运转良好。
The repair workers are responsible for guaranteeing the normal running of the Auto-threading machine.
通扣丝广泛用于机械产品安装、龙骨装修配套、空调设施、通信设备安装等多项领域。
The through bolt is widely used for mechanical installation, air conditioner mounting and communications equipment fitting.
乙方负担的制作费用：乙方承担挤出嘴模具费3000元，塑料丝扣磨具费4000元。
Production costs born by Party B: Party B shall bear the extrusion nozzle mould cost 3000 Yuan，and the cost of plastics screw thread of 4000 Yuan.
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