高速钢针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/
编号：55110
钨钢针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/9
编号：55120
陶瓷针规 GB0510/1015/1520/2025/2530/3035/3540/4045/4550/5055/5560/6065/6570/7075/7580/8085/8590/9095/9
编号：55130
