| 1 | Motherboard adopts hard notch steel. | |
| 2 | The suspension coop is welded by the angle steel and channel steel. | |
| 3 | The research emphasis of this paper is on channel shear connectors. | |
| 4 | The cover and channel steel should earthed reliably. | |
| 5 | Carbon steel plate by the body or channel produced. |
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