The introduction of the concept of bellows wall thickness accuracy has the universal significance and reference value for manufacturing technology of other thin wall tube like products.
提出的管坯壁厚精度概念极其控制方法具有普遍性，对于其它薄壁筒形件的制造工艺具有参考作用。
Under the heavy duty operation, the internal coking of tube caused by local tube over heating is an universal problems for delayed coking furnace.
高负荷运行下的焦化加热炉，由于局部炉管过热引起管内结焦是一个普遍性的问题。
The corrosion of RH submerged tube is a current universal problem for RH desulfurization process, and understanding the corrosion mechanism is the basic premise to alleviate and avoid the corrosion.
RH浸渍管侵蚀严重是目前采用RH脱硫普遍存在的一个问题，弄清其侵蚀机理是减缓和避免侵蚀的基本前提。
Under the condition of operating the high load furnace, coking inside the tube caused by local over temperature is a universal fault.
高负荷运行下的焦化加热炉，由局部炉管过热引起管内结焦是一个普遍性的问题。
This thesis details and analyses the problem of the balance unit of the universal joint spindle of the tube rolling mill, finds the theoretic basis of the fault.
针对原接轴平衡装置存在的问题进行理论分析，并找出该装置的缺陷的理论根源。
The pipe wall holds the universal joint, and closes end of the tube close to the universal joint.
管壁，其保持上述卷材用万向接头，并且封闭上述管的靠上述卷材用万向接头的一侧；
LED display outdoor oasis universal use of ultra-high brightness monochrome red or green light-emitting tube.
四海绿洲LED户外单色显示屏使用超高亮度的红色或绿色发光灯管。
Oil feet of universal joints, stay, joint, car row oil absorption multiple tube.
量油尺，万向接头，呆接头，汽车排吸油复合管。
Oil feet of universal joints, stay, joint, car row oil absorption multiple tube.
量油尺，万向接头，呆接头，汽车排吸油复合管。
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