roadway advance support hydraulic support-pg电子试玩
form:
08/03/2016
browse number：1232
| type |
four-link support shield |
| mode of operation |
aircraft operation |
| support height |
2.3-5 m |
| support width |
0.5 m (single frame) |
| supporting intensity |
1.12 mpa |
| column |
mechanical extension rod |