请各位高手帮忙翻译下？ inside the reactor, measurements will be taken from the bottom tangent weld line. manufacturer’s vessel measurements are generally shown from tangent lines. this weld line is often slightly above the actual vessel tangent line and so a small adjustment can be made to accommodate this. mark the various levels with chalk line on the reactor wall. once these measurements have been done it is then necessary to check the distance of these lines from the flange of the top manway . this is so progress of bed loading can be checked on a number of occasions during dense loading of the catalyst without the need for a man to enter the reactor each time. during loading the catalyst bed height will be checked using a plumb line dropped into the reactor and is cross‑checked against the known weight of catalyst loaded. 在反应器里面，测量将从底部的焊缝切线处开始进行。制造商的容器测量一般都是从切线处得到结果的。焊缝熔接线经常都是略微比切线要高那么一点点的，因而在测量的时候可以根据具体情况进行小小的调整。在反应器内壁上用粉笔对各种不同的水平面进行标记。一旦完成这些测量后，则有必要检查下 从顶部人孔的法兰到这些线条间的距离 。在对催化剂进行密集装填的时候，使用先进的 bed loading 的方式可以进行多次检查，这样就不必让员工每次都进入到反应器里面了。在装填催化剂时，可以将一副铅垂线放入反应器里面来检查 bed 的高度，并且要对已装填的催化剂的重量进行反复确认。 上面红色的文字我不会翻译，坐等大神来现身说法。 查看更多
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