phosphorus bronze造句

• Main operating metal materials : import beryllium bronze belt , silk material ; brass and phosphorus bronze belt , rod , silk material ; stainless steel belt , spring - loaded stainless steel strips , spring - loaded stainless steel belt ; switches and relays electrical contact ; complex mosaic of precious metals to build ; of the silver and tin mining ; preventing overheating protection device and uses the double - metal , three metal belt
  主要经营的金属材料有：进口铍青铜带，丝材；黄铜和磷青铜带，棒，丝材；不锈钢带，弹簧不锈钢丝，弹簧不锈钢带；开关和继电器用电触点；各种镶嵌复合贵金属带材；复银和复锡铜带；温控器和过热保护器用的各种双金属，三金属带。