1.
Effects of temperature,sediment and food on hatching and growth of juvenile,young Hemifusus tuba
不同温度、底质和饵料对管角螺孵化和稚、幼螺生长的影响
2.
Flared type tube fittings--Male elbow--Assembly
GB/T5629.1-1985扩口式锥螺纹直角管接头
3.
Flared type tube fittings--Male elbow--Body
GB/T5629.2-1985扩口式锥螺纹直角管接头体
4.
Male elbow for butt joints--Assembly
GB/T3758.1-1983卡套式锥螺纹对接直角管接头
5.
Male elbow--Assembly
GB/T3739.1-1983卡套式锥螺纹直角管接头
6.
Male run tee--Assembly
GB/T3744.1-1983卡套式锥螺纹直角三通管接头
7.
Bite type tube fittings--Hexagon thin nuts
GB/T3763-1983卡套式管接头用六角薄螺母
8.
carbide triangular threading insert for petroleum pipe
石油管螺纹硬质合金三角形刀片
9.
Cut, threaded, and bends pipe to required angle, using pipe cutters, pipe-threading machine, and pipe bending machine.
用切割器、螺纹机、曲器，针对要求的角度来切割、螺纹、弯曲水管。
10.
A Threading Process for Negative-supporting-thread Premium Connection
一种负承载角特殊管接头的螺纹加工工艺
11.
Spironolactone on rat corneal neovascularization
螺内酯对大鼠角膜新生血管生长的影响
12.
hex machine screw nut
机械螺丝用六角螺帽
13.
helical gear with helix angle
带螺旋角的螺旋齿轮
14.
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
15.
The result show that ascend angle infection factor during spirally tube heat transfer should not be neglected.
试验结果表明,螺旋升角在螺旋槽管凝结换热过程中具有不可忽视的影响。
16.
fixed screw propeller shrouding
定螺距螺旋桨导流管
17.
pin-to-box pipe
阳螺纹-阳螺纹管子
18.
Apply wrench to hex next to pipe and guard against possible distortion.
将扳手套在靠近管道的六角螺栓头上避免可能产生的变形。