1.
tooljointcasing contact force
工具接头与套管接触力
2.
spherical union swivel
球面活管接旋转接头
3.
Sleeving pipe joints
GB/T14414-1993套接式管接头
4.
coupling , zinc, for tubes or pipes
锌管接头用于大小管
5.
Copper tube joints-Sockets
GB/T11618.1-1989铜管接头套管接头
6.
Grooved butterfly valves direct connect to pipe using iron pipe size couplings. Grooved valves are easiest to install.
管状蝶阀:采用铸铁管接头直接与管道连接。管状阀门安装最容易。
7.
tools to tubing substitute
钻具连接油管的接头
8.
flush joint liner
无接箍平口接头衬管
9.
welded reinforcement of nozzle opening
接管开孔的焊接补强
10.
EX(d). PACKING GLAND FOR CONNECTING PIPE
接管式防爆密封接头
11.
WATER-PROOF PACKING GLAND FOR CONNECTING PIPE
接管式防水密封接头
12.
inlet connection
进气管(接头), 入口连接
13.
coupling for rods or pipes
（棒或管的）连接（器）.
14.
Welding of 16MnR+00Cr17Ni14Mo2 Composite Pipe
16MnR+00Cr17Ni14Mo2复合管焊接
15.
welding of tube-tubesheet
管子与管板氩弧焊接
16.
coupling ,tin, for tubes or pipes
锡连接管,用于大小管
17.
hose connection valve
软管联结阀软管连接阀
18.
full weld-on pipe base screen
带中心管的全焊接筛管