螺纹

Angle valve for 90o installations using internal pipe threads and having double lead-thread stem control for rapid adjustment.

角阀，适用于90o安装，采用内管螺纹，并且配置双引线-螺纹阀杆，调节更加快速。

Pattern for straight 180o installations using internal pipe threads and having double lead-thread stem control for rapid adjustment.

形阀，适用于垂直180o安装，采用内管螺纹，配置双引线-螺纹阀杆控制，调节更加快速。

Main reasons of causing drill collar screw failure are discovered by way of further investigation and analysis on these problems.

通过对钻铤螺纹失效问题的深入调查和分析，找出引起钻铤螺纹失效的主要原因。

According to the similarity criterion, an experimental model was designed which is one-third of 3500mm heavy and medium plate mill pressure screw-pairs in sizes. Electrometric method was adopted to get the load distribution of the thread layers by measuring the bending deformation of the screw teeth.

依据相似准则，制作3500mm中厚板轧机电动压下传动螺纹副1/3的测试模型，采用电测法获取悬臂螺牙弯曲应变值，模拟实际轧制力和过平衡力作用下螺纹副螺牙各层载荷大小及分布。

To set the Date or Time with Screw Crowns:Setting the time and date with a screw down crown watch is the same as above;however to pull out the crown you must first"unscrew"the crown by turning it in a counter clockwise direction until the crwn releases from the threaded tube.

鲁美诺思Luminox 海豹系列产品中英文使用说明书（适用于6102，3105等海豹三针系列产品）☆☆注意：请先仔细看本说明书。本款手表和普通手表不同，调时间旋钮不是直接往外拔的，有防水螺纹管，所以要首先逆时针拧动旋钮，直到旋钮从螺纹管旋出。

The product with inner thread and its mould structures are analyzed.

对带内螺纹的塑料制品及其模具结构进行分析，采用自动卸螺纹和压缩空气二次顶出相结合的结构较紧凑的脱模机构。

It is pointed out that the inherent reason of the leakage is that the buttress thread is adopted, and the outer reasons of the leakage lie in poor quality sealing ring being used, the design of sealing groove being unreasonable, and the thread sealing compound failing at 350℃.

指出偏梯形螺纹连接本身存在较大的泄漏通道，是造成泄漏的内在原因；工厂为弥补这一缺陷而设计的密封圈质量较差、密封槽设计不合理，以及所使用的螺纹脂不耐350℃高温，是造成隔热管泄漏的外在原因。

The lower end of the discharge chamber body is in hermetically-threaded connection with a fixed electrode; an operation electrode is mounted at the upper end of the discharge chamber body; the lower end of the operation electrode can be movably mounted in a conduction fixed ring; a fit clearance between the lower end of the operation electrode and the conduction fixed ring is 0.1 to 0.15mm; the conduction fixed ring is in hermetically-threaded connection with the upper end of the discharge chamber body; the conduction fixed ring is connected with a grounding wire; a discharge chamber is formed between the conduction fixed ring and the fixed electrode at the inner part of the discharge chamber body; the upper end of the operation electrode is fixedly connected with an insulation handle.

本发明公开了一种隔爆放电器，包括由防爆有机玻璃制成的筒形放电室本体，所述放电室本体的下端密封螺纹连接有固定电极；所述放电室本体的上端安装操作电极，所述操作电极的下端可移动地安装在导电固定环内，与导电固定环配合间隙为0.1～0.15mm，导电固定环密封螺纹连接在放电室本体的上端，导电固定环上连接有接地线；在放电室本体的内部导电固定环和固定电极之间形成放电室，所述操作电极的上端固接绝缘手柄。

The experimental results in internally ribbed tube were compared with those in smooth tube.

分别对水和煤油2种工质在内螺纹管和光管中流动沸腾时的两相摩擦阻力特性进行了实验研究，将内螺纹管中的两相摩擦阻力和光管中的两相摩擦阻力作了比较。

Lord, are driven double-headed screw thread of the thread.

主、从动螺杆的螺纹均为双头螺纹。

Methods: Five patients with parkinsonism or dystonia were assigned to general anesthesia using an modified endotracheal tube.

本实验依照人体实验之相关规定进行，五位患有帕金森氏症或肌张力异常的病人接受神经立体定位手术。

If you can benefit from this book, it is our honour.

如果您能从本书获益，这将是我们的荣幸。