normal helix是什么意思

网络释义

用法例句

Based on grinding movements' analysis of pulping material in the BIVIS extruder, the paper has studied design theories of transport screws of the machine, and inferred relationship expressions of a flux rate of the pulping material and basic parameters of a mechanism of the twin screw extruder, and put forward a basic thoughtfulness of design for the BIVIS extruder.

在分析双螺杆磨浆机中物料磨浆运动的基础上 ,对双螺杆磨浆机的正向螺旋的设计理论进行了研究 ,建立了流量与双螺杆机构正向螺旋的基本参数之间的关系 ,提出了双螺杆磨浆机设计的基本思路。