给出了加劲肋间距、长螺杆连接件的设计控制条件。
The distances between ribbed panels and the design control conditions of long screw connectors were suggested.
分析中发现引起振动的原因为：（1）伸缩节两端法兰没用长螺杆刚性联接；
There may be two reasons in relation to vibration:(1) No grid connection with long screw bolt at the flanges of at two ends of extension joint;
本论文针对实际样机产品设计，着重运用有限元法对长螺杆的布置及其连接可靠性进行了分析。
Aiming at the real prototype, we use the finite element method to analysis the effect of disposition of the long bolts and check its reliability.
螺杆带阻隔器，塑化性能高。额外的混合区，计量和塑化更优化。优化选材，使用寿命长。
High plasticizing performance with barrier screw. Melting performance and homogeneity optimized by additional compounding section. Long service life thanks to optimal choice of materials.
螺杆采用合金钢材料经特殊工艺制成，使用寿命长；分段式组合螺杆，适用原料广泛，产品更多样。
Screw is made of alloy steel with long life. It is assembled by several units freely for more applied material and colorful products.
双螺杆挤出中的熔融是理论研究的薄弱点之一，其主要原因是在相当长的一段时间内人们对熔融现象无法作直接的观察。
The study on polymer's melting in twin-screw extrusion has been one of difficulties in theory researches, mainly because we couldn't observe the melting phenomena directly.
目前，三峡升船机引入德国技术，拟采用齿轮—齿条爬升机构、长螺母柱—短螺杆安全机构。
It is supposed to introduce the technology of gear-rack driven mechanism and nut-screw safety mechanism from Germany.
长型连续混炼机(LCM)是一种既具有双螺杆挤出机连续工作的特点，又保持了密炼机优异混炼性能的新型橡塑混炼设备。
As a new type of mixer, long continuous mixer (LCM), not only maintained excellent com-pounding properties of internal mix er, but also could produce continuously.
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。
Import original semi-closed double screw compressor, compared with the traditional reciprocating compressors, efficient, quiet operation, simple operation, long service life, etc.
螺杆泵特点是：流量平稳，压力脉动小，能够自吸，噪声低，效率高，使用寿命长，工作可靠。
Screw pump features are: smooth flow, small pressure fluctuation, imbibition, low noise, high efficiency, long service life and reliable operation.
螺杆式冷水机采用螺杆压缩机、高速轻载、低噪音、寿命长、运行可靠。
Screw type chiller adopts screw compressor, high efficiency, low noise, durable service, reliable operation.
螺杆采用合金钢材料经特殊工艺制成，使用寿命长；
螺杆采用合金钢材料经特殊工艺制成，使用寿命长；
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