该层次结构的底部是任务，任务是流程活动的基本组成部分。
At the bottom of the hierarchy is a task, the basic element of process activity.
制罐行业底部密封涂胶、汽车、水封行业结构胶平面涂胶。
The bottom of can industry seal coating, Cars, water-sealed industry structure plastic flat coating.
艏，艉尖舱底部为单底结构。
单室内热冷壁，立式结构，底部进出料。
Single chamber, inside heating, cold wall, vertical configuration.
单室内热冷壁，立式结构，底部进出料。
Single chamber, inside heating, cold wall, vertical configuration.
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