beam bender
... beam bearing 正横方位 beam bender 横梁弯曲机 beam bending machine 弯梁机 ...
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此举既避免了上下山掘进过程中，巷道变形挤压容易造成横梁弯曲，还延长了提升机的寿命周期。
This not only avoids the park tunneling process, the tunnel deformation caused by squeezing the beam bending easily, but also extend the life cycle of the hoist.
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