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单词 tieback
释义 tieback
[`tī´bak]
MINING ENGINEERING
1. A beam serving a purpose similar to that of a fend-off beam, but fixed at the opposite side of the shaft or inclined road.
2. The wire ropes or stay rods that are sometimes used on the side of the tower opposite the hoisting engine, either in place of or to reinforce the engine braces.
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