| 1. | Cross recessed hexagon head tapping screws with indentation
十字槽凹穴六角自攻螺钉 |
| 2. | These tunnels have an above normal number of large recesses
这些隧道具有超常数量的大凹穴。 |
| 3. | Cross recessed hexagon bolts with indentation
十字槽凹穴六角头螺栓 |
| 4. | These tunnels have an above normal number of large recesses
这些隧道有超过正常数量的大凹穴。 |
| 5. | Type , dimensions and specifications of pn 250 mpa socket joints
Pn250mpa凹穴接头型式尺寸和技术条件 |
| 6. | Cross recessed hexagon bolt with indention and plain washer assemblies
十字槽凹穴六角头螺栓和平垫圈组合件 |
| 7. | Cross recessed hexagon bolt with indentation and plain washer assemblies
十字槽凹穴六角头螺栓和平垫圈组合件 |
| 8. | Cross recessed hexagon head tapping sorew with indentation and plain washer assemblies
十字槽凹穴六角头自攻螺钉和平垫圈组合件 |
| 9. | Cross recessed hexagon bolt with indentation and single coil spring lock washer assemblies
十字槽凹穴六角头螺栓和弹簧垫圈组合件 |
| 10. | Cross recessed hexagon head tapping screw with indentation and large plain washer assemblies
十字槽凹穴六角头自攻螺钉和大垫圈组合件 |
