When testing different diameter pipeline or vessel, the orbit module is changed only.
检测不同管径的管道时,仅需更换轨道模块。
To compare the cutting and reversing property of there different diameter conicalpulling-screws.
目的:比较三种不同直径人骨拉力螺钉的剪切和扭转性能。
To introduce the experiment of different diameter rolling and one high driving on the four high Ni strip rolling mill.
前言: 介绍了在四辊镍带轧机上,实行“异径轧制和单辊传动”的实验。
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