| 1. | Road vehicles . dump trucks . safety arrangements 道路车辆.液压抓斗.安全装置 |
| 2. | Specification of semi - scissor grab for bulk handling 半剪式散货抓斗技术条件 |
| 3. | Safety code for the bridge type grab ship unloader 桥式抓斗卸船机安全规程 |
| 4. | Optimal anti - sway control of bridge - type ship unloader grab 桥式卸船机抓斗止摆最优控制 |
| 5. | 3 a closed grab shall be used for all dredging operations 所有挖泥作业须使用闭合抓斗。 |
| 6. | Specification definitions - clam bunk skidder 抓斗式运木集材机规格定义 |
| 7. | Shovel dipper , clam bucket , and dragline bucket rating 挖掘机铲斗抓斗和吊铲抓斗的额定值 |
| 8. | Grab basic type and parameter series for the harbour grab 港口散货抓斗基本类型及参数系列 |
| 9. | Specification of single - rope timber grab 单索木材抓斗技术条件 |
| 10. | Grab is one of the important equipments of modern goods port 抓斗是现代散货码头装卸的重要工具之一。 |