这里利用成熟的室外大气污染物扩散理论- 梯度输送理论和箱模式理论，提出焊接烟尘在室内的扩散模式和浓度分布的理论计算方法。
In this paper, the diffusion model and the theoretic calculation method of welding dust are given by gradient transportation theory and box model for outdoor atmospheric pollutants.
室外的花卉箱和室内的架子等这些不同的元素可以穿插到其中。
Different elements like flower boxes on the outside and shelves on the inside can be inserted in these.
电子设备的机械结构。室外外壳。第2部分：分规范。箱和壳体的协调尺寸。
Mechanical structures for electronic equipment - Outdoor enclosures - Part 2: sectional specification - Coordination dimensions for cases and cabinets.
文章为室外密封插箱的研制总结。
The paper summarized the mechanical design of a radar's outdoor sealed chassis.
由控制仪主机、室外机、冷凝器、养护室内电热箱及喷雾系统组成。
It's made from the host controller outdoor machines condenser electric conservation box and spayed system.
由控制仪主机、室外机、冷凝器、养护室内电热箱及喷雾系统组成。
It's made from the host controller outdoor machines condenser electric conservation box and spayed system.
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