Elastic deformation is an important influential factor of indexing accuracy and loading capacity of end-tooth indexing table with drum tooth.

齿廓弹性变形是影响鼓形齿端齿盘精度和承载能力的重要因素。

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Because of the much thick wall of large capacity boiler drum, the pressed and weld longitudinal seam is used to manufacture the drum shell ring.

由于大容量电站锅炉汽包的壁较厚，所以在汽包筒节制造时常采用压制成两个半圆瓦片再焊接而成的方法。

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Large amounts of foams are subject to come into being in the upper part of a coking drum in the delayed coker, which seriously influences the processing capacity and product quality.

在延迟焦化装置上，焦炭塔上部易形成大量的泡沫，严重影响焦化装置处理能力和产品质量。

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