1.
automatic spiral ratchet screwdriver with plastic handle
塑柄自动擦旋螺丝批
2.
semi-automatic ratchet screw driver
半自动棘轮式螺丝刀
3.
self opening die head
自动开合螺丝板牙切头
4.
automatic feathering type controllable pitch propeller
自动顺桨式可调螺距螺旋桨
5.
It reduces friction and makes the rolling parts work smoothly.
它能减少摩擦，并使旋转零件活动自如。
6.
The upper stem is threaded into the diaphragm retainer nut.
上阀杆通过丝口旋在横膈膜止动螺母里。
7.
It possesses advanced full electroplated flow line, the full equipments which is specialized in manufacturing screwdriver, plastic ware, dual colors stretching rod and heat treatment.
有先进的自动电镀流水线，有专业生产螺丝批、料制品、色拉棒和热处理的全套设备。
8.
tighten the screw on a fruit press
旋紧水果榨汁机的螺丝
9.
automatic packaging for all kinds of packaging
各式螺丝类产品自动包装
10.
The Research on Synchronous Performance of Automatically Sending Drill of Spiral Drilling Machine;
螺丝桩钻机自动送钻同步性能的研究
11.
full-automatic type in-line screw plastic injection mould machine
全自动螺旋直射式注塑机
12.
Study on the automatic cutting device for ship propeller entanglement
船舶螺旋桨缠绕物自动切割装置研究
13.
Remove the battery cover retaining screws from the data back battery cover with a small (+) or (-) screwdriver. Remove the battery cover.
用小型（+）或（-）自螺丝起子,从日期背盖电池盖上旋下电池盒盖上的螺丝,卸下电池盒盖
14.
Different Design on Frictional Force of Self-ligation Bracket
不同自锁托槽与弓丝滑动摩擦力的对比研究
15.
A surface in the form of a coil or screw.
螺旋面具有线盘或螺丝形状的表面
16.
the raised helical rib going around a screw.
绕着螺丝的凸起的螺旋状的肋纹。
17.
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
18.
Cams are fastened on the fixture by screws, and the inside transmission system rotates cams to puch crank arms to change the position of slides.
凸轮固定在旋轮轴上，可以螺丝调整前后，并用以推动滑座之运动。