The above-said let-off motion can meet the requirement of weft on warp let-off, and more the let-off can be fine tuned as well, keeping constant tension of warp let-offs.
该机构不仅能满足织物纬密对每纬送经量的要求，而且能根据经纱张力的变化对送经量进行微调，使送经量和经纱张力都保持基本恒定。
The thesis introduces a principle and a characteristic of structure of a new type of transducer called magnetostrictive pick-up, which is applied to constant tension control system of warp of a loom.
介绍了一种新型-磁致伸缩传感器的工作原理和结构特点，以及该传感器在织机经纱恒张力控制系统中的应用。
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