螺纹

Traditional GO/NOT GO thread gaging techniques are time consuming, produce excessive gage wear, and require constant maintenance and calibration.

传统的 GO/NOT GO 螺纹规技术需要花费大量的时间，产生过度的量规磨损并且要求连续不断的维护与校准。

Dimensions, thread gaging, minimum wall thickness and burst pressure, material classification, various quality aspects and requirements for marking identification are stipulated.

尺寸，螺纹规，最小壁厚和爆裂压力，材料分类，各种质量要求和所规定的标记和标识要求等。

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。

According to the internal relations among the parameters of the standard triangular helixes, the iteration formula of the intensity calculation of the connection of draw- in bolt s is obtained with mathematical statistics.

根据标准三角形螺纹各参数之间的内在联系，应用数理统计方法，得出受拉螺栓联接强度计算的简单选代公式，它既可用於螺栓的设计计算又可用於校核计算之用

L. Provide pendant or surface mounted fixtures with required mounting devices and accessories, including hickeys, stud-extensions, ball aligners, canopies, and stems.

L。为悬挂安装或表面安装的灯具提供要求的固定设备和附件，包括螺纹接口、预埋螺栓、校准仪、装饰盒和悬挂杆件。

It demonstrates that the bond strength between the screw thread-like, sand-adhering surface and the FRP bars is still provided by the friction and mechanical joggling force.

研究结果表明，该螺纹状表面粘砂FRP筋粘结力仍然由摩擦力和机械咬合力提供，但相对而言，摩擦力起主要作用。

Undercut is a small groove that can be lathed in advance at the end of the component .

退刀槽是指在螺纹终止处预先车出一个小槽。

Threads should be clean and well lubricated.

螺纹应该是清洁的并且经过很好的润滑。

All welding of stair stringer miters, closure plates, extension pieces, and similar welding applications shall be continuous welds and shall be ground smooth.

所有的焊接：包括楼梯梁的斜截面、封板、内外螺纹管接头、以及其他类似的焊接，都要进行连续焊接并要磨光处理。

It is one of the most ideal screw type automatic sealing equipment in bome in home marker at present.

是国内目前最理想的螺纹自动旋合封口设备之一。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。