1.
coupling straigth-way cock

两端带阴螺纹管接的直通旋塞
2.
A pipe coupling threaded on both ends.

螺纹接头一种两端都带外螺纹的管子
3.
pipe bend with female thread

两头带阴螺纹的弯头
4.
The said process for threading non-coupled end of coupled tubing has been proven practical.
油管带接箍后另一端加工螺纹的工艺方案可行。
5.
Male connector for butt joints--Assembly

GB/T3755.1-1983卡套式锥螺纹对接直通管接头
6.
female-male reducer

两端分别带有内外螺纹的大小头
7.
General purpose screw threads for joints on pipe line--Dimensions

GB/T1414-1978管路旋入端用普通螺纹尺寸系列
8.
pepe bend with male and female thread

一头带阳螺纹一头带阴螺纹的弯头
9.
curled the ends of the ribbon.

将缎带的两端卷成螺旋状
10.
Male connector--Assembly

GB/T3734.1-1983卡套式锥螺纹直通管接头
11.
Flared type tube fittings--Male connector--Assembly

GB/T5626.1-1985扩口式锥螺纹直通管接头
12.
Flared type tube fittings--Male connector-Body

GB/T5626.2-1985扩口式锥螺纹直通管接头体
13.
Male run tee--Assembly

GB/T3744.1-1983卡套式锥螺纹直角三通管接头
14.
boxpin connection

阴螺纹-阳螺纹连接
15.
male and female cross

阳螺纹-阴螺纹十字接头
16.
NPSC (American Standard Straight Pipe Thread in Coupling)

美国标准接头直管螺纹
17.
helical spline type actuator

带螺旋活塞杆的液压缸
18.
A tube is a pipe tapered at both ends. Each end is threaded to allow the installation of valves, connections, or relief devices.
管道两端是锥形。每一端都车有螺纹,以安装阀门、接头或减压装置。