coke dram的用法和樣例：
例句
- Coke drums are subject to severe bulging and cracking after a few years of operation.
焦炭塔在運行若干年後出現嚴重的鼓脹與開裂。 - Grooving in the skirt of coke drum is able to lighten the stiffness impact on the skirt and reduce the thermal stress on its fillet weld.
摘要在焦炭塔裙座上開設柔性槽能夠減輕裙座剛度影響，降低裙座角焊縫處熱應力。
