1) spiral arc length
螺旋线弧长
2) spiral length
螺旋线长度
1.
Using Achimedean spiral mold with changable gate, the relationship between gate diameter and spiral lengths of HDPE was studied.
利用浇口可以更换的阿基米德螺旋线模具,研究了HDPE塑料的螺旋线流动长度(简称螺旋线长度)和浇口直径的关系。
3) propeller arc
螺旋桨弧
5) SSAW
螺旋埋弧焊
1.
The Research of the Computer Control System for the Welds Geometry of Welded Tube by SSAW;
螺旋埋弧焊管焊缝形状计算机控制系统的研究
2.
High performance X70 hot-rolled strips for SSAW line pipes have been developed by Wuhan Iron and Steel Group Corporation in order to satisfy the demands of West-East Gas Line and Shanjing Second Gas Line Project in China.
为配合中国西气东输、陕京二线管线工程的建设,武钢研制出高性能大口径螺旋埋弧焊管用X70热轧板卷。
3.
4 mm SSAW pipe used for The Second West to East Gas Pipeline Project.
4 mm螺旋埋弧焊管的试制情况及检验结果。
6) Long spiral
长螺旋
1.
Long spiral drilling caisson pile is a new driven cast-in-place technique used widely nowadays,which has the characteristics of no earth squeezing and no breast wall needed to be built,but with high load bearing of per pile and high quality of pile forming,etc.
指出长螺旋钻孔灌注桩是近年来日益广泛应用的一种新型灌注桩技术,具有不挤土、无需护壁、单桩承载力高、成桩质量较好的特点。
2.
Combining with a real engineering,the calculation method of pile bearing capacity of long spiral dry pore-forming pumping concrete grouting pile is studied.
长螺旋干成孔压灌混凝土桩适合于多层及小高层基础工程。
补充资料：螺旋线
又称“柱面螺旋线”。一种空间曲线。其特征是曲线上每一点的切线与固定直线(轴)交定角。当动点在一圆柱面上以等角速度作转动，同时又以常速沿轴向作匀速直线运动时的轨迹。有右旋和左旋之分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条