arnold阿诺德紧固件
•head types 头型
•drive system 驱动系统
•drive systems and difference 驱动系统及差别
•thread types 螺纹类型
•metric thread公制螺纹
heat treatment 热处理
详情访问: arnold阿诺德紧固件.pdf
head types 头型
drive system 驱动系统
thread types 螺纹类型
metric thread公制螺纹