内螺旋 meaning in English
inner helix
inside spin
interior crew
interior screw
internal coiling
internal screw
internal spiral
Examples
- The cold extrusion forming technique of female screw spline
内螺旋花键冷挤压成形工艺 - Technical specification of pvc - u innerspiral rib pipe for building drainage
建筑排水用硬聚氯乙烯内螺旋管管道工程技术规程 - Technical specification for pvc - u inner spiral rib pipe for buildings drainage
建筑排水用硬聚氯乙烯内螺旋管管道工程技术规程 - Experimental investigation on convective heat transfer and flowing friction in risg tubes
内螺旋外棘齿管对流换热与流阻实验研究 - Back in spiral
后内螺旋形