To expound the production of spiralrib steel wire in such aspects as raw material selection, processing requirements of die, and requirements in product standard.
从原料选择、生产模具的加工要求、产品的标准要求等方面对螺旋肋钢丝生产作了论述。
2
Screw: In machine construction, a usually circular cylindrical member with a continuous spiralrib or thread, used either as a fastener or as a force and motion modifier.
螺纹件： 机器结构中带连续螺旋肋的圆柱形件，用作紧固件或力和运动变换装置。
3
The invention provides a drain pipe comprising a main pipe, wherein installing parts are arranged at both ends of the main pipe and a spiralrib is arranged on the pipe wall of the main pipe.