1.
Rope thread extension steel bars for rock drilling
GB/T6482-1994凿岩用波形螺纹连接钎杆
2.
Standard joint is a circular male and female configuration with a corrugated metal gasket.
标准连接是圆形外螺纹和内螺纹结构，配置波纹金属垫圈。
3.
Count fine mother-of-pearl on rippling waves,
数一数螺细的波纹，
4.
spiral contrapper knitting machine
螺旋形花纹吊线织袜机
5.
special taper thread tap for gas cylinder
气瓶专用锥形螺纹丝锥
6.
Metric trapezoidal screw threads-Profile
GB/T5796.1-1986梯形螺纹牙型
7.
A curved shape, outline, or pattern.
波纹波纹形状、外廓或形式
8.
Side view of wing screw with adjustable thread length.
螺纹长度可调整的翼形螺钉的侧面图。
9.
NC machining nut with large lead and 3-start rectangular thread
大导程三头矩形螺纹螺母的数控加工
10.
These rolls are corrugated cylinders, usually of the spiral type.
粉碎辊是波纹式滚筒，还常是螺旋割纹式。
11.
stir up (water) so as to form ripples.
溅起水花，形成波纹。
12.
The wavy pattern on Damascus steel.
大马士革钢波形花纹
13.
Spiral and decreasing sharply in diameter from base to apex.Used especially of shells.
陀螺形的螺旋形的螺纹从基部到顶端逐步递减的，尤其用于贝壳
14.
Top view of wing screw. Selection box represents thread diameter.
翼形螺钉的俯视图。选择框代表螺纹直径。
15.
Top view of wing nut. Selection box represents thread diameter.
翼形螺母的俯视图。选择框代表螺纹直径。
16.
Side view of wing nut. Selection box height represents thread diameter.
翼形螺母的侧面图。选择框高度代表螺纹直径。
17.
Beneath the handwheel is a hexheaded externally-threaded diaphragm-retaining nut.
手轮下面是一个六角形外螺纹横膈膜止动螺母。
18.
Buttress threads with 3 and 30 degrees flank angle-General pla
GB/T13576.2-1992锯齿形(3°、30°)螺纹直径与螺距系列