local air supply system 局部送风系统
Provisions available in local shops have to be flown into Nunavut on one of the most costly air networks in the world, or brought by supply ship during the few ice-free weeks of summer.
当地商店里的供应品必须通过世界上最贵的航空网路之一空运到努勒维特，或者在夏季中少数几个无冰周里通过补给船来购买。
General ventilation, local ventilation, task air supply, air distribution, air supply, exhaust.
全面通风，局部通风，岗位送风，气流组织，送风，排风。
The upper supply and bottom exhaust air distribution is formed in painting polluting area with local plenum chamber and slot outlets.
利用局部静压箱和条缝型百叶排风口在污染控制区形成上送风下排风的气流组织形式。
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