Unique straight or spiral grooved feed bush with force cooling system and unique screw ensure high plastification in low temperature, high speed extrusion of material.
独特的带有冷却系统直或螺旋开槽加料套和独特的螺杆设计保证了原料的低温塑化，高速挤出。
Spiral groove
英语例句库
英语百科
Radial sulcus
（重定向自Spiral groove）
The radial sulcus ( also known as the musculospiral groove, radial groove, or spiral groove) is a broad but shallow oblique depression for the radial nerve and deep brachial artery. It is located on the center of the lateral border of the humerus bone.