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1·The spiral pipe conveyor is welded with a continuous spiral blade in the cylindrical shell.

螺旋管输送机是在圆筒形机壳内焊有连续的螺旋叶片，机壳与螺旋叶片一起转动。

2·HPDE (high-density polyethylene) spiral pipe has a broad application prospect for its unique properties.

即高密聚乙烯螺旋管以其独特的优点，在工程中有着十分广泛应用前景。

3·A reliable way to improve the quality of spiral pipe was the substitution of high frequency butt welding for HF lap welding.

高频对焊代替高频搭焊是提高中直径螺旋焊管质量的可靠途径。

4·The result indicated that the failure cause of the stainless steel spiral pipe is the stress corrosion crack induced by Cl- ion.

结果表明，不锈钢盘管失效的原因是氯离子引起的应力腐蚀开裂所致。

5·The design of the screw conveyor is mainly used for conveying the silica abrasive so great is not suitable for spiral pipe conveyor.

本次所设计的螺旋输送机主要用与输送硅微粉其磨琢性很大所以不适宜采用螺旋管输送机。

6·The improved big throat pipe forms a section of internal spiral pipe component, which is favorable to improve the quality of the oil atomization.

大喉管经改进后构成一段内螺旋管件，有利于提高油的雾化质量。

7·The structure parameters and resistance characteristics of spiral pipe flow generator which generates spiral flow in circle pipe were analyzed and investigated.

对用于产生螺旋管流的圆管螺旋流起旋器的结构参数进行了分析，并对其阻力特性进行了理论分析和试验研究。

8·The plate type coiled pipe or spiral pipe is molded by two flat plates with corresponding grooves or a convex and a concave plates which are oppositely pressed.

板式盘管或螺旋管是由两片有对应凹槽的平板或凸、凹板对压成型的。

9·The defects will be found in the seam side with ultrasonic inspection but hardly found with X ray inspection as the small diameter spiral pipe production with the split strip steel.

采用纵剪带钢生产小口径螺旋焊管时，超声波检验经常在焊缝的一侧发现缺陷波，而X射线拍片检验却很难发现。

10·The spiral flow in the horizontal pipe can generate the spiral flow to transport sediment according to the way of equipping the guide blade in the middle of the pipe.

前两种排沙方式已经广泛应用于工程实践中，平轴螺旋管流排沙是近年提出的一种节能、高效的输沙方式，目前还处于试验研究阶段。