缠度 meaning in English

twist pitch of rifling

The online detection system of gun barrel inside bore ' s twist pitch of rifling design analysis
火炮身管缠度在线检测系统设计分析
The artillery body on - line testing technology can test all kinds of artilleries size , twist , linear degree and the surface roughness
本文主要是针对火炮缠度在线检测技术进行详细分析。
Before this , there is no on - line testing products for twist . this is the first time to finish the twist automatic testing inland , the main guide line has finished , technological broken has happened
在此之前，国内尚无缠度的在线检测产品，这是首次完成了国内缠度自动检测，达到了要求的主要技术指标，有技术性突破。