A type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
采用螺距粗的螺丝和螺母实现螺纹型芯自动脱模。
The stresses inside and outside the core of a screw dislocation are obtained.
得到了螺位错芯区内、外的应力场。
NBE solid core screw conveyors are a critical component in the design of a bulk material transfer system.
NBE实芯管式螺旋输送机是在一个散装物料输送系统设计中的关键组成部分。
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