松弛的经纱会引起纱线的纠缠，纱线张力过大则会引起断头。经纱张力的波动还会影响到织物的结构。
The slackness might enable entanglements to form and the high tensions could lead to end breaks the variations in tension would also affect the fabric structure.
例如在发动机停机或者起动失败时出现的发动机倒转也会导致链条张力的波动。
For example when the engine outage or the defeated starting appears, it will cause the fluctuation of the chain tension.
借助于信号分析技术研究了纱线的张力波动规律。
By means of signal analysis technique, the variation law of the tension was studied.
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