Unwinding: Hydraulic lifting unwinding rack, equipped with magnet powder auto tension system.

放卷：气压提升式放卷架、配磁粉自动张力系统。

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The principle and the main functions of on-line tension system (OLT) were analyzed and evaluated.

介绍了在线张力系统（O LT）的工作原理并对其主要功能进行了分析评价。

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In this article, the subject about the winding machine tension system adopting the maximum moment method is studied.

本文对于卷取机采用最大力矩法的张力系统问题进行了讨论。

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But it is only one source of tension among many in the international monetary system.

ECONOMIST: Economics focus

The gap between the pantograph, which is the arm on top of the train car that draws power from overhead lines, and the catenary system must remain within a precise distance and tension.

WSJ: Commuters warned: Summer heat may slow Metro-North

The tension between the two parties is not just about the voting system.

ECONOMIST: Long grass, tough choices