Medium and small tanks and surface curvature radius of curve or surface smaller irregular equipment, building the air duct insulation and dew and wall body sound-absorbing heat preservation.
小型储罐及表面曲率半径较小的弧面或表面不规则的设备、建筑空调管道保温防露和墙体的吸音保温。
In duct outside wall surface density according to choose the uniform paste insulation cotton nail, usually every square metre 8-12.
在风管外壁根据选用的面密度均匀粘贴保温棉钉，一般情况下每平方米8 - 12个。
Besides, it can also give understanding of the surface streamlines, vortices in separation region and the corner effect of duct flow.
而且液晶也反映了表面流线，分离区内的涡流和管道流动的角效应。
Sea surface and bottom constituted sound propagation environment of the neritic acoustic duct field.
海面与海底构成了声源浅海海域波导场的声传播环境。
The safe electric hair dryer is characterized in that the insulating material (5) is arranged on the surface of the air duct (4) of the casing (1) where the high temperature is generated.
外壳(1)的风道(4)表面会产生高温的地方设置有隔热材料(5)。
With the increase of the slot distance between the mixing duct and the covering shelter, the surface temperature of the covering shelter is decreased monotonously.
随着遮挡间距的增加，遮挡罩外露壁面的温度呈现单调降低的趋势；
Some useful formulas for convection calculation of vertical and horizontal duct are given. So temperature decrease at the surface of discs and temperature rise of oil flow can be obtained.
得到了较为适合的垂直油道、水平油道自然对流换热特性数经验关联式，并据此得到了自然油循环变压器垂直油道和水平油道线饼表面温降和油流温升的计算方法。
A new propulsion concept of 2 D C D vectoring nozzle was proposed, which had a convergent duct shaped by spheric surface and a divergent one with rectangular transverse section.
提出了一种二元收扩矢量喷管的概念，用热射流实验台对二元矢量喷管进行了过膨胀状态下的喷管模型热态实验。
A new propulsion concept of 2 D C D vectoring nozzle was proposed, which had a convergent duct shaped by spheric surface and a divergent one with rectangular transverse section.
提出了一种二元收扩矢量喷管的概念，用热射流实验台对二元矢量喷管进行了过膨胀状态下的喷管模型热态实验。
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