screw-shaft tube

Main screw steel, wire rod, bar, seamless tube, pipe, plate and profiles, and other products.

主营螺纹钢 、 线材 、 圆钢 、 无缝管 、 焊管 、 中厚板及型材等产品.

Fixed screw propeller shrouding Magnetic field distribution of loosen oval-shaped spiral tube current

定螺距螺旋桨导流管考虑螺距时椭圆截面螺线管电流磁场的空间分布

Objective To investigate the multi-layered screw CT characteristic of bronchial tube internal membrane tuberculosis, raises the diagnosis rate of accuracy, reduces the error diagnostic.

目的探讨支气管内膜结核的多层螺旋CT特征，提高诊断准确率，减少误诊。

The center tube structurally comprises a bayonet paper tube, a bayonet end cover and a set screw, or comprises a plastic tube, a spiral end cover and a set screw.

其结构包括卡口纸管、卡口端盖、紧定螺钉，或者是塑料管、螺旋端盖、紧定螺钉。

Finite Element Analysis of Small Rigid Frame Composed of Self-tapping Screw, Standard Connecter and Cold-formed Steel Tube

由自攻钉、标准件和冷弯钢管组成的小刚架有限元分析

The paper puts forward a new method of three-roller mill producing steel tube with cold screw rolling, investigates its figuration in theory, oversees its implement in practice The technology application will benefits a lot of enterprises

提出了采用冷斜轧方法生产冷轧钢管的新工艺，对其理论成型的特点进行了研究，对实践该新工艺进行了探讨。冷斜轧技术的应用将会给企业带来好的经济效益

The screw tube oscillator is used to produce vib ration in the polymeric dynamic molding equipment.

螺管激振器用于在新型聚合物动态加工设备中产生轴向振动.

The cylindrical tube of the conical sleeve, which is provided with outer screw threads, is provided with at least one cushion ring and at least one screw nut.

安装在锥形套筒的外螺纹圆筒管上的至少一个垫圈和至少一个螺母。

Using self-boring grouted rock external screw bolt to build geotechnical anchor, is the key technique by which resolve the difficulty of the construction in complex geologic circumstances. And external screw steel tube rolling is the key equipment to manufacture finish rolling external screw steel tube.

使用自钻注浆式外螺纹锚杆进行岩土锚固施工，是解决复杂地质条件施工难题的关键技术，而外螺纹钢管轧机则是生产精轧外螺纹钢管的关键设备。

The air conveyor alarmed when air pressure loss was abnormal or tube blocked, and the feeding to screw electronic weigher was stopped at the same time.

当空气压力损失不正常或管路阻塞时，输送空气压力报警装置自动报警，并停止螺旋电子称供料。