终于他的手摸到了一个螺钉的螺头。
该螺丝包括一螺头、一凸台及一螺杆。
Wherein the screw comprises a screw head, a lug boss and a screw rod.
该凸台是设置在该螺头与该螺杆之间，其外周缘设有若干纵槽。
The lug boss is arranged between the screw head and the screw rod, and the external circumference of the lug boss is provided with a plurality of longitudinal grooves.
在穿山北口与鸭蛋山之间有一条轮渡线，螺头水道的西行船舶应注意横越轮渡的动态，避免出现紧迫局面。
There is a ferry line between the north mouth of Chuanshan and Yadanshan. Vessels proceeding west-bound on the Luotou channel should observe the ferry's movements to avoid emergency situation.
研究了脱壳油菜籽挤压系统参数（套筒温度、螺杆转速、螺头至模板距离、模孔长度、模孔孔径）对从榨笼中挤压出的菜籽油的游离脂肪酸、碘值和油脂稳定性的影响规律。
The influence regularity of the parameters of rapeseed extrusion system on free fat acid, iodine value and stability of rapeseed oil extruded from extract cage of extruder was studied.
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
螺柱通常应用于满足特殊设计功能，节省生产成本，充当电触头或者替换自攻螺丝、可拆卸螺丝。
Studs are commonly used to fulfill specific design functions, to save money in production costs, to function as electrical contacts or to replace self-tapping or removable screws.
对称双头螺柱上的两个螺母松动力矩不对称是引起单边螺母松动的重要原因。
It is the main reason for loose of the nuts that loose torque affecting on two nuts of the double end studs is not symmetrical.
有关四腮目头足类的，以两对腮为特征，并包括有腔鹦鹉螺和许多化石的种类。
Of, relating to, or being a cephalopod of the order Tetrabranchiata, characterized by two pairs of gills and including the chambered nautilus and many fossil species.
采用倒圆锥形和螺柱形搅拌头焊接的接头焊合不良，质量较差。
The quality of the beads welded with inverted taper and cylindrical screw pin is poor, only partially jointed or disjointed.
我公司有各种设备198台，主要生产全螺纹螺杆、双头螺柱、圆螺母、吊环、销类等。
My company has a variety of devices 198 Units, mainly the production of full-thread screw, double-headed stud, round nuts, rings, pin and so on.
冻鱼，冻蟹，冻头足类，冻生蝾螺，冻煮星鳗，其它水产制品。
Frozen Fish, Frozen Crab, Frozen Cephalopod, Frozen Raw Turban Shell, Frozen Cooked Conger Eel, Other Aquatic.
文中采用数值模拟方法，对高速破甲弹生成的金属射流在头螺内运动过程进行了分析。
The aim of this paper is to analyze the movement of metallic jet in fuze adapter generated by the high-speed high explosive antitank projectile through the use of numerical simulations.
也称为六角头螺丝或六角头螺栓。包括标准，钻孔头，左旋螺，自封式，军用规格螺栓。
Also known as Hex Head Screws or Hex Head Bolts. Includes Standard, Drilled Head, Left Hand Threaded, Self-Sealing, and Military Specification Cap Screws.
结构为直螺旋，有弹头单螺、双头单螺、双头双螺三种。
Structure for the straight screw, single screw, a warhead double-helix single screw, twin screw three.
对称双头螺柱上的两个螺母松动力矩不对称是引起单边螺母松动的重要原因。
It is the main reason for loose of the nuts that loose torque affecting on two nuts of the double end studs is not symmetric...
对称双头螺柱上的两个螺母松动力矩不对称是引起单边螺母松动的重要原因。
It is the main reason for loose of the nuts that loose torque affecting on two nuts of the double end studs is not symmetric...
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