Describing working principle and method of new hydraulic looper control system supplied by Germany.
论述了从德国引进的新型的液压活套系统的工作原理和控制的实现方法.
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Connecting rod feeding mechanism , needle bar basting, looper hooking form parallel chain - stitch, which stitch is firmelastic.
连杆式送料机构, 针杆挑线 、 弯针勾线形成双线链式线迹, 线迹牢固且富有弹性.
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