Drill pipe threads are not cleaned in that way.
钻杆丝扣不是那样清洗的。
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。
Apply pipe dope sparingly on pipe threads, never on valve threads.
阀杆上的短梯形螺纹适用于快速启闭操作。
If the drill pipe threads become rusty, rust will have to be cleaned.
如果钻杆丝扣生锈，必须清除掉。
Exposed flange faces and pipe threads shall be protected from chemical solutions.
暴露的法兰面和管螺纹应保护好，以避免受到化学溶剂的腐蚀。
Most of the pipe threads manufacturing equipments are mechanical ones with the same structures and function in China.
在国内，油管加工设备多数是机械式车床，结构和功能相同。
This paper introduces the measuring principle, calculating formula and measuring method of the taps for taper pipe threads through the universal tool microscope.
本文介绍了锥管螺纹丝锥在万工显示上的测量原理、计算公式及测量方法。
The standard covers dimensions and gaging of plastic tapered National Pipe Threads (NPT) for leak-tight joints, and it is now referenced in all ASTM Standards for plastic piping products.
这个标准涵盖塑料美国锥管螺纹(NPT)的尺寸和计量方法，用于泄漏密封连接，现在已在所有有关塑料管道产品的ASTM标准中引用。
The axial flotation of chuck plays an important role in the protection of rod pipe threads and prevention of rod pipe stripping or cutterhead from dropping during the process of raise boring.
在天井钻进过程中，卡盘的轴向浮动对保护钻杆螺纹和防止钻杆脱扣、刀头坠落等方面具有重要作用。
Figure 1 shows the interactions of two threads around a pipe.
图1展示了两个线程围绕管道进行交互。
The createPipe subroutine is a simple method to create a nonblocking read from a pipe using threads.
createpipe子例程是从使用线程的管道中进行无阻塞读取的简单方法。
The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.
介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。
Communicate multiple threads with a pipe, not the exception is the infinite waiting, pointing.
多个线程用一个管道通信，不是异常就是无限等待，请指点。
Both have the same pitch diameter at the top of the hole of internal threads or end of the pipe on external threads, and both have the same thread lengths or depths.
在内螺纹的孔的顶端或者外螺纹的管的端部拥有相同的中径，而且拥有相同的螺纹长度和深度。
It connects with threads on both ends of pipe body, which allows a smaller casing O. D. and increases annular gap to facility casing running in and improve cementing quality.
无接箍式套管靠管体两端的螺纹连接，所以套管外径尺寸小，可增大环形间隙，便于套管下入和提高固井质量。
I found it convenient to use a right Angle reducing fitting, followed by a gray threaded pipe, and a gray hose barb that threads onto the gray pipe.
我发现它方便使用直角减少拟合，其次是一个灰色螺纹管，和一个灰色软管烧烤认为线程上的灰色管道。
Before installing, be sure pipe ends are reamed and threads are cut to size.
在安装之前，确保管道末端已经进行铰孔，攻螺纹，并且。
Tube is welded pipe or cap in the threads in pipe fittings to cover the wall.
管帽是焊接在管端或装在管端外螺纹上以盖堵管子的管件。
Pipe taps are supplies with PARALLEL threads or with TAPER threads.
管螺纹丝锥分为平行螺纹和锥度螺纹两种。
The invention relates to a pen core, which comprises a core pipe with a pen tip. The pen core is characterized in that the pen tip is connected to the pen core through screw threads.
本发明的笔芯，包括带有笔尖的芯管，其特殊之处在于：笔尖通过螺纹连接在笔芯上。
The movable sucking cover is composed of a connecting pipe (1) and the cover body (2), and the cover body (2) and the connecting pipe (1) are connected through threads of non air tightness.
由连接管(1)与罩体(2)构成，罩体(2)与连接管(1)是以非气密性的螺纹相连接。
The movable sucking cover is composed of a connecting pipe (1) and the cover body (2), and the cover body (2) and the connecting pipe (1) are connected through threads of non air tightness.
由连接管(1)与罩体(2)构成，罩体(2)与连接管(1)是以非气密性的螺纹相连接。
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