shift-lever needle selection 拨片式选针
dividing-cam needle selection 分针三角选针
needle selection principle 选针原理
Forged steel check valve is respectively cut manifold, needle, ball you can according to the actual situation of reasonable selection of our valves.
锻钢止回阀阀瓣形式还分别有截流形，针形，球形您可以根据实际情况合理选用我们的阀门。
With this controller, the electronic needle selection can be controlled by selecting cycle data and the output message can be displayed dynamically.
该控制器可以实现用选外循环数据去控制提花袜机的电子选针，并动态显示产量信息；
The needle selection technology is one of the key technologies of computerized flat knitting machine.
选针技术是电脑横机控制系统的关键技术之一。
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