1.
spiral part of a screw
（螺钉的）螺旋部分.
2.
helical gear with helix angle
带螺旋角的螺旋齿轮
3.
paranemic spiral
平行螺旋，反向双股螺旋
4.
helical curve [ line ]
螺旋曲线螺旋(取向)照相
5.
fixed pitch propeller
定螺距螺旋桨固定螺距螺旋桨
6.
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
7.
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
8.
hydrauliccontrol pitch propeller
液压操纵螺距螺旋桨
9.
controllable pitch propeller oil pump
可调螺距螺旋桨油泵
10.
controllable pitch propeller control box
可调螺距螺旋桨控制箱
11.
fixed screw propeller shrouding
定螺距螺旋桨导流管
12.
controllable pitch propeller hub
可调螺距螺旋桨桨毂
13.
mechanical controllable pitch propeller
机械式可调螺矩螺旋桨
14.
A jack operated by a screw.
螺旋起重机，螺旋千斤顶由螺旋杆运作的起重机
15.
propeller,esp of a ship or motor boat
螺旋桨（尤指船的）
16.
To feather a propeller.
（螺旋桨）顺流交距
17.
helical entry cyclone
螺旋进入式旋风分离器
18.
To form into a coiled or spiral shape
"使…成盘旋状,使…成螺旋状"