Neck plate can be adjusted by using the thumbscrews . 用指拧螺旋调节颈部保护片。
2.
All adjustments ( burner height , burner arm length from the pivot point , counterweight positions along the burner arm ) are facilitated by the use of knobs or thumbscrews as the set screws 所有调节(燃烧器高度、自枢轴点开始的燃烧器臂长、沿着燃烧器臂的平衡块位置)都利用旋钮或指旋螺钉作为调节螺钉实施。