1.
The results of experiments showed that spirally fluted titanium-tube are better choice on heat transfer enhancement for the miniaturization of naval steam condensers.
实验结果表明，钛螺纹槽管是实现冷凝器小型化较为理想的强化管管型。
2.
pin-to-box pipe
阳螺纹-阳螺纹管子
3.
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。
4.
Side view of fillister head slotted screw with adjustable thread length.
螺纹长度可调整的槽头螺钉的侧面图。
5.
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
6.
From the top of the air gap, thread the relief valve hose down and out the slot.
从气隙顶部，将安全阀软管螺纹旋下来，并拉出沟槽。
7.
The experimental results have important significance for the practical use of the spiral tube condenser.
所得实验结果对螺纹槽管冷凝器的实际应用有指导性意义。
8.
NPT tapered tube thread gauges
NPT锥管螺纹量规
9.
a fastener with a tapered threaded shank and a slotted head.
由带螺纹的连杆和槽头组成的扣件。
10.
twisted flutings
呈螺旋状环绕柱身的柱面凹槽饰纹
11.
Apply pipe dope sparingly on pipe threads, never on valve threads.
在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。
12.
Top view of fillister head screw. Selection box represents thread diameter.
槽头螺钉的俯视图。选择框代表螺纹直径。
13.
Top view of posidriv screw. Selection box represents thread diameter.
十字槽螺钉的俯视图。选择框代表螺纹直径。
14.
Side view of raised countersunk posidriv screw with adjustable thread length.
螺纹长度可调整的半埋头十字槽螺钉的侧面图。
15.
Side view of countersunk slotted screw with adjustable thread length.
螺纹长度可调整的埋头一字槽螺钉的侧面图。
16.
Side view of panhead posidriv screw with adjustable thread length.
螺纹长度可调整的平头十字槽螺钉的侧面图。
17.
Side view of panhead slotted screw with adjustable thread length.
螺纹长度可调整的平头一字槽螺钉的侧面图。
18.
Side view of countersunk posidriv screw with adjustable thread length.
螺纹长度可调整的埋头十字槽螺钉的侧面图。