1·Screw pump body and tightly.
螺杆与泵体紧密贴合。
2·Figure 1 that the three screw pump cutaway view.
图1表示三螺杆泵的剖视图。
3·The sealing principles of the twin screw pump are analyzed.
分析了双头双螺杆泵密封腔的密封原理。
4·It's necessary to investigate the theory of the three screw pump.
所以对三螺杆泵的理论研究是非常必要的。
5·The metal screw pump can resist this badness response effectively.
金属螺杆泵能有效抵制这些不良反应。
6·The method of electrical heating screw pump production is developed.
为此，提出了电热杆螺杆泵采油方法。
7·The main aim in this paper is the basic theory of the three screw pump.
于是在研究中主要是对三螺杆泵做基础理论的研究。
8·Screw pump features: the loss of small screw pump, good economic performance.
螺杆泵 特点为：螺杆泵损失小，经济性能好。
9·Double screw pump is a kind of double suction not airtight double screw pump.
双螺杆泵为一种双吸式非密闭的双螺杆泵。
10·The computing procedure of all profiles design for double screw pump has been.
介绍了双螺杆泵各类型面设计的计算机设计程序。
1·Working with external bearing structure of the double screw pump bearings are separated.
外置轴承结构的双螺杆泵工作腔同轴承是分开的。
2·Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.
应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。
3·And single screw pump in the pump itself cannot set the relief valve, can only be set up in line, increase the investment of equipment cost and installation cost.
而单螺杆泵在泵本身不能设置安全阀，只能在管路中设置，提高了设备投入成本和安装成本。
4·Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。
5·Screw pump is a kind of rotary pump, when the outlet end is blocked, the pressure will gradually increase, so that more than a predetermined pressure value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。