为此，扣件必须具有足够的强度，耐久性，和一定的弹性，并有效第保持钢轨与轨枕之间的可靠联结。
Therefore, buckles to have the enough intensity, the durability, with certain elasticity, and effective maintains between the rail and the railroad tie reliable joint.
为此，扣件必须具有足够的强度，耐久性，和一定的弹性，并有效第保持钢轨与轨枕之间的可靠联结。
Therefore, buckles to have the enough intensity, the durability, with certain elasticity, and effective maintains between the rail and the railroad tie reliable joint.
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