1.
Reasonable grinding angle which can quickly lead in screw groove and reduce resistance.
合理的磨制角度，能快速导入螺旋沟槽，减少阻力。
2.
Research on Upright Helix Furrowing Opener and Characteristics of Ditching Machine;
立式螺旋开沟器及开沟机整机特性研究
3.
Design on Spiral Orchard Ditching Equipments and Test in the Soil Bin
螺旋式果园开沟装置的设计及土槽试验
4.
spiral part of a screw
（螺钉的）螺旋部分.
5.
From the top of the air gap, thread the relief valve hose down and out the slot.
从气隙顶部，将安全阀软管螺纹旋下来，并拉出沟槽。
6.
Ixodes persulcatus ticks as principal vector of Lyme disease spirochete in the greater Xing-An mountains of Inner Mongolia
全沟硬蜱为内蒙大兴安岭莱姆病螺旋体的主要生物媒介
7.
Study on LS-DYNA-Based Simulation Experiment and Its Optimization Design for Orchard Spiral Ditcher;
基于LS-DYNA果园螺旋开沟机模拟试验研究及其优化设计
8.
helical gear with helix angle
带螺旋角的螺旋齿轮
9.
paranemic spiral
平行螺旋，反向双股螺旋
10.
helical curve [ line ]
螺旋曲线螺旋(取向)照相
11.
fixed pitch propeller
定螺距螺旋桨固定螺距螺旋桨
12.
Of or having the shape of a helix;spiral.
螺旋形的，螺旋（线）的（拥有）螺旋形或螺旋线的；螺旋的
13.
A spiral formation, such as one of the whorls of a gastropod shell.
螺旋形一种螺旋形状，如一个涡螺壳上的螺旋
14.
hydrauliccontrol pitch propeller
液压操纵螺距螺旋桨
15.
controllable pitch propeller oil pump
可调螺距螺旋桨油泵
16.
controllable pitch propeller control box
可调螺距螺旋桨控制箱
17.
fixed screw propeller shrouding
定螺距螺旋桨导流管
18.
controllable pitch propeller hub
可调螺距螺旋桨桨毂