首页 > Term: back prop
back prop
The name given to the raking strut that transfers the load from the timbering of a deep trench to the ground. These struts are provided under every second or third frame according to the type of ground being excavated.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)