回风管道部分。
Fan, pump, air duct, water pipe, vent.
风机，水泵，风道，水管，风口。
Supply air duct system for local clean zones.
局部洁净区的送风管道系统。
Another method is by the storage room into the air duct.
另一种方法是由储藏室的风道潜入。
All air duct and water duct are not shown in clean room.
所有气喉和水喉在净化室尽量不外露。
The invention discloses an environment protective type double air duct ventilator.
本发明公开了一种环保型双风道吸油烟机。
Clean work surface allows the installation of air duct save time and reduce trouble.
洁净的工作表面可使风管的安装节省时间并减少麻烦。
One of their air - duct has been blocked.
有一条输气管道堵塞了。
Equipment debugging and line maintenance maintenance, familiar electric circuit, oil duct, air course principle.
设备调试与现场维修维护，熟悉电路、油路、气路原理。
Equipment debugging and line maintenance maintenance, familiar electric circuit, oil duct, air course principle.
设备调试与现场维修维护，熟悉电路、油路、气路原理。
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