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。
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。
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。
Disposes the parallel double screw extruder, is suitable specially for the profile squeezes out high speed.
配置平行双螺杆挤出机，特别适用于型材高速挤出。
The extruder is a single screw extruder, a double screw extruder, a multiple screw extruder, a plunger extruder or a melt pump.
挤出设备用单螺杆挤出机、双螺杆挤出机、多螺杆挤出机、柱塞式挤出机或熔体泵。
At the same time, because of double screw compressor stress is bad, bearing load, its mechanical noise than single screw compressor.
同时，由于双螺杆压缩机受力不好，轴承受力大，其机械噪声也要比单螺杆压缩机要大。
Thermoplastic starch was prepared with cross-linked hydroxypropyl starch by double screw extruder, glycerol was used as plasticizer.
以羟丙基交联淀粉为原料、甘油为增塑剂，采用双螺杆熔融挤出共混技术制备热塑性淀粉。
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。
Double screw pump series products are divided into single suction of two kinds of double screw pump and double suction double screw pump.
双螺杆泵系列产品分为单吸双螺杆泵和双吸双螺杆泵两大类。
The machines under lesser screw length-diameter ratio possess the blending capacity of double screw extrusion under bigger length-diameter ratio.
实现了在较小的螺杆长径比的条件下达到双螺杆挤出机在较大的长径比条件下，才能达到的混炼混合作用。
This paper introduced the disadvantages of the old pistol air compressor and effect on saving energy by promoting new type double screw compressor.
介绍了老式的活塞型空压机的缺陷，推广新型双螺杆空压机的节能经济效果。
Therefore, double screw compressor and worm compressor compared, in the same speed of the units inside less number of exhaust air ripple, big air flow noise.
因此，双螺杆压缩机与蜗杆压缩机相比，在相同转速下单位内排气次数少，气流脉动大，气流噪声大。
Conveyor illiquid, high viscosity of the medium or the transport medium for heating or thermal insulation, choose double screw pump heat pump body structure.
输送流动性差，粘度高的介质或对所输送介质进行加热或保温时，选双层加热泵体结构的螺杆泵。
This machine consists of cone double screw extruder, vacuum setting table, drawing machine, cutting machine, film sticking machine, material tumbling frame, etc.
该机组有锥形双螺杆挤出机、真空定型台、牵引机、切割机、贴膜机、翻料架等组成。
The world does not have never worn machine, no matter double screw compressor or worm compressor, in a few years, all needs to carry out the maintenance of the host.
世界上没有永不磨损的机器，无论双螺杆压缩机还是蜗杆压缩机，在若干年后，均需对主机进行维修保养。
The paper brings out the reforming scheme of double screw pump substituting for centrifugal pump. The on-spot test and application has achieved good energy conservation effect.
提出了用双螺杆泵代替离心泵的技术改造方案，经现场试验及应用，取得了良好的节能效果。
Import original semi-closed double screw compressor, compared with the traditional reciprocating compressors, efficient, quiet operation, simple operation, long service life, etc.
选用进口原装半封闭双螺杆压缩机，与传统的往复式压缩机相比，具有高效、运行宁静、操作简单、使用寿命长等优点。
Parts with threads used for joining and fastening are called screw fasteners. The most widely used components as screw fasteners are bolts, double screw bolts, screws, nuts, washers.
用螺纹联接并起紧固作用的零件称为螺纹紧固件。常用的螺纹紧固件有螺栓、双头螺柱、螺钉、螺母、垫圈等。
Through research a new multifunctional double screw arbor extruder was invented. It could be used as both one-way double screw arbor extruder and two-way double screw arbor extruder.
本文研究开发了一种多功能新型双螺杆挤出机，其特点是既可以作为同向双螺杆挤出机使用，又可作为异向双螺杆挤出机使用。
Extruder: Parallel double screw extruder is characterized by high output and good plasticization. The vacuum exhaust improves products quality. It can process various sorts of plastic.
挤出机：平行双螺杆挤出机的特点以产量高，塑化优良。真空排气提高了产品的质量。它可以处理各种塑料。
In the formula of the method, all components are dispersed to be mixed and are subject to melting by a double screw extruder, mixing, extrusion, cooling, drying, granulating and packaging.
该方法是将配方中各组分分散混合后，通过双螺杆机熔融、混炼、挤出、冷却、干燥、切粒和包装。
The harmonic screw type valve is driven by the double wave harmonic screw. It can transform circle movement to line movement for the closing and opening of the valve.
谐波螺旋式阀门采用双波谐波螺旋传动，实现由圆周运动向直线运动的转化，实现阀门的启闭。
The influence of coverage due to the radius, angular velocity, pitch , double thread of plastic screw, and rotational mode of steel axis are also discussed in here.
文中并探讨了塑胶导螺杆半径、转速、螺距、双螺纹与钢轴旋转模式对钢珠表面检测覆盖率影响。
The authors designed a double barrele sliding compression screw.
作者设计了双颈滑动加压螺纹钉。
It comes in handy when you have to double or quadruple recipes and don't want to screw up.
这样当你需要将食谱翻倍甚至翻四倍时会非常方便。
The sealing principle of sealing cavity in single thread twin screw pump is the same as that in double thread twin screw pump.
单头双螺杆泵与双头双螺杆泵密封腔的密封原理相同。
Objective:To investigate the effect of femoral intertrochanteric fracture in elderly patients treated with the double heads compressive hollow screw.
目的：探讨双头加压空心螺钉在老年股骨粗隆间骨折中的应用价值。
In order to improve the plastification output, we adopt double-head of cylinder screw stem and two-feed chute. The two chute of the cylinder are both fixed on the special feed shaft stand.
为提高塑化产量，采用双头机头机筒螺杆两道机筒进料口，都作了特殊设计，以便于吃料和排气，两道机筒都装在专用加料轴承座上。
In order to improve the plastification output, we adopt double-head of cylinder screw stem and two-feed chute. The two chute of the cylinder are both fixed on the special feed shaft stand.
为提高塑化产量，采用双头机头机筒螺杆两道机筒进料口，都作了特殊设计，以便于吃料和排气，两道机筒都装在专用加料轴承座上。
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