Down the underside runs a long tray to stow timbers used for supporting wide plant on the retractable outriggers .

我的翻译：沿车身底面的是长的 托盘，以承载支架，而支架则用于将宽设备 支撑在可伸缩支腿上。

Three-dimensional visible design was introduced which emphasized on three-dimensional visual design of distillation column and internals such as column tray packing liquid distributor gas distributor and supporting structure .

介绍了三维可视化设计应用于现代化工设备设计的优越性和可行性，重点介绍三维可视化设计在塔 板、填料、液体分布器、气体分布器和 支撑结构等精馏塔内件中的应用。