yarn-dyed half thread poplin 色织半线府绸

half thread coupling 单头螺纹管箍

half-thread 半螺纹

yarn-dyed d half thread poplin 色织半线府绸

Half Thread Rod 半螺纹杆

dyed half thread poplin 色织半线府绸

yarn-dyed half thread popli 色织半线府绸

half of thread angle 牙型半角

half-angle thread flank measurement [机] 螺纹半角测量