查询词典 screw-driven

Rigid PVC pipe production line is mainly used in the manufacture of the plastic PVC pipes with various tube diameters and wall thickness in the aspects such as the agricultural and nonstructural plumbing, cable laying etc. Thin set is composed of the conical twin-screw extruder, vacuum forming table , dragger, cutter, stirring up rack etc. The screws extruder and the extractor adopt the imported AC frequency employ the superior goods. The prime mover has the traction modes such as to claw, three-claw and so on. It may choose the saw blade cutting type or the planet cutting type. It is additionally attached with measuring apparatus and the intensifying device. The unit is of the reliable performance and high production efficiency. This company may allocate the special installation for the manufacture of the inner wall spiral coil and core ply blister tube set according to the clients requirements.

硬质PVC 塑胶管材出产线主要有阿谁与出产农用给排水、建筑给排水、线缆铺设等方面的各类管径、壁厚的塑胶PVC管材，该机组由锥形双螺杆挤出机、真空定形台、牵引机、翻料架等构成螺杆挤出机及牵引机采用进***流变频调速设置，真空泵以及牵引机电均采用优质产品牵引有二爪、三爪、四爪、六爪等牵引体式格局可选用锯片或者行星切割形式，另可计长及增厚装置，机组机能可靠，出产效益高，本公司可更具客户的要求，配备布置专用装置出产螺旋消音管以及芯层发泡管机组

MQ-LSC screw conveyer is a special equipment used for material conveyance like mud and grid dreg.

MQ-LSC输送机是应用于污泥、栅渣等物料输送的专用设备。

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。

As such, magnetic particle inspection for the screw thread of the drill collar is very necessary and important.

因而钻铤内外螺纹的磁粉检测十分必要和重要。

This paper systematically introduces the basic principle and advantages of magnetic particle inspection, the stress analysis of the oil drill collar and the magnetic particle inspection for the screw thread of the oil drill collar.

本文系统介绍磁粉检测基本原理及优点，石油钻铤的受力分析，石油钻铤螺纹的磁粉检测。

According to the standards of the petroleum industry in China and the technical criteria and operation code designed by the JB/T4730.4-2005 for oil drill collar magnetic particle inspection, and upon conducting experimental inspections on oil drill collars according to this criteria and through the comparisons of ultrasonic testing results and theoretical analysis, it is found that this technical criteria is able to detect the defects of the screw thread effectively.

根据中国石油行业标准和JB/T4730.4-2005对石油钻铤设计了石油钻铤磁粉检测的工艺规范和工艺卡，并按此规范对石油钻铤进行实验探伤，通过对比超声检测的检测结果及理论分析，此工艺规范可有效的检测出钻铤螺纹部位的缺陷。

He screw ed up his mouth in a droll fashion.

他扭着嘴装出一副可笑的样子。

They have many years of production history, with injection molding machines, twin-screw extruder, drop hammer impact test machine, such as the most advanced production equipment and testing equipment, the annual production of various kinds of pipe, pipe fittings 15,000 tons.

具有多年的生产历史，拥有注塑机、双螺杆挤出机、落锤冲击试验机等国内最先进的生产设备与检测设备，年生产各类管材、管件1.5万吨。

However, when these tension screw s are loosened, the drumhead will become relaxed and its pitch gets lower.

相对的，当这些螺丝是松的时候音就变低了。

Screw Drumlin.

去他的德鲁姆林。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。