同时，钢轨的矫前弯曲度还影响矫直力的大小，进而影响矫直机的寿命。
Simultaneously, the curvature before straightening also affects the size of force on straightening, and it also affects the life span of straightening machine deeply.
同时，钢轨的矫前弯曲度还影响矫直力的大小，进而影响矫直机的寿命。
Simultaneously, the curvature before straightening also affects the size of force on straightening, and it also affects the life span of straightening machine deeply.
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