调节针 meaning in Chinese
adjustment needle
metering needle
Examples
- Usting needle valve
调节针阀 - Feed throw - out screw : whether in embroidering or plan sewing , the fabric feed can be regulated to sew fabrics of different thickness by simply adjusting the feed throw out screw
针距选择及倒缝：调节针距，只用转松固定螺钉，发动指示杆，即可缝纫不同疏密的针距或倒缝。