| 1. | Her electroscope was a metal case with two holes in its side .
她的验电器是一个金属盒子，旁边有两个小孔。 |
| 2. | Cylindrical metal casings for electrical engineering
电气工程用圆柱形金属外壳 |
| 3. | Products materials metal case materials metal case
产品介绍物料材质铁壳材质 |
| 4. | Product description : ipod nano metal case
产品名称： ipod nano金属保护壳 |
| 5. | Their fingers polish the insides of shell metal casings
她们的手要用为抛光金属铸壳的里面 |
| 6. | Product description : ipod metal case
产品名称： ipod金属保护壳 |
| 7. | Cylindrical metal casings for electrical engineering with thread pivot
电气工程用带螺纹枢轴的圆柱形金属壳体 |
| 8. | Metal case hardening
金属表面强化处理 |
| 9. | Metal case materials
铁壳材质 |
| 10. | Semiconductor devices ; metal cases with glass insulation , requirements and tests
半导体器件.第1部分:玻璃绝缘的金属外壳要求和试验 |
