| 1. | They were taught how to bore rivet holes in the sides of ships 有人教他们如何在船的舷侧钻铆孔。 |
| 2. | Rech . self - locking anchor nuts , two lugs with countersunk rivet holes . sim thread 带沉头铆钉孔的两耳自锁防松螺母. sim螺纹 |
| 3. | Rech . self - locking anchor nuts , single lug with countersunk rivet hole . sim thread 带沉头铆钉孔的单耳自锁防松螺母. sim螺纹 |
| 4. | Rech . self - locking anchor nuts , single lug with two countersunk rivet holes . sim thread 带两个沉头铆钉孔的单耳自锁防松螺母. sim螺纹 |
| 5. | Rech . self - locking anchor nuts , countersunk type , two lugs with countersunk rivet holes . sim thread 带沉头铆钉孔的两耳自锁沉头防松螺母. sim螺纹 |
| 6. | Rech . . self - locking anchor nuts , countersunk type , single lug with countersunk rivet hole . sim thread 带沉头铆钉孔的单耳自锁沉头防松螺母. sim螺纹 |
| 7. | Rech . self - locking anchor nuts , countersunk type , single lug with two countersunk rivet holes . sim thread 带两个沉头铆钉孔的两耳自锁沉头防松螺母. sim螺纹 |