self-propelled grab dredger
自动推进式抓斗挖泥船
dredger (excl. floating), not self-propelled
挖泥机（不包括浮动挖泥船）,非自动推进式
bucket ladder dredger
链斗挖泥船斗式采泥器
4 For dredging works, only mechanical dredgers with bucket-type closed-grabs shall be used for the dredging of river bed or ponds.
进行挖泥工程时，只可使用密封抓斗式的机械挖泥机，以挖掘河床或塘底的淤泥。
Research on Suction Capacity of Submerged Dredge Pump for Wheel Dredge Boat and Its Modification
某斗轮式挖泥船水下泥泵吸入性能的研究与改进
Research on Dredging Track Controlling and Integrated Monitored Control System of Wheel Dredging Boat;
斗轮式挖泥船挖掘轨迹控制及综合监控研究
excavator-screening machine, for railroad ballast not self-propelled
铁路道渣挖掘-筛分机,非自动推进式
extracting machine for earth minerals or ores, self propelled
土壤、矿物或矿石挖掘机,自动推进式
excavating machine, for earth minerals or ores, not self-propelled
土、矿物或矿石挖掘机,非自动推进式
excavator ,with a 360 degree revolving superstruture self-propelled
挖掘机,带3600旋转加强结构,自动推进式
An optimization of vibrating feeding system of bridge-type grab ship unloader
桥式抓斗卸船机振动给料系统的优化
Application of FMEA in the Automatic Design Process for the Bridge-type Grabing Ship Unloader
FMEA在桥式抓斗卸船机自动作业流程设计中的应用
Where tight dredging depth tolerances are required to dredge contaminated materials the bucket-type closed-grab dredger shall incorporate a visor.
在挖掘受污染物料时，若严格规定了挖泥深度容限，则密封抓斗式的挖泥机应设置一个护罩。
Reform Design and Application for the Propulsion System of 4 500 m~3 Trailing Suction Hopper Dredger
4500 m~3耙吸挖泥船推进系统改造设计及应用
bucket wheel suction dredger
斗轮铲式抽吸挖泥机
coal or rock cutter and tunneling machinery ,not self-propelled
截煤或截石机和隧道挖掘机械,非自动推进式
The Damnification Analysis and Improving Approches of Metallic Wires Used in Bridge Type Grab Ship Unloader;
桥式抓斗卸船机钢丝绳的损伤分析与改进措施
drag-line, with a 360 degree revolving superstructure, self-propelled
绳斗电铲,带3600旋转加强结构,自动推进式