在强制热风和冷风系统中，通风管道将热空气的冷空气输送到家里不同的地方。
In forced-air heating and cooling systems, ducts carry hot or cold air to different parts of home.
该系统用于进行空气衰减测试和将几个组件安装到阀盖中。成品阀盖可以自动拆卸，并放置到一台输送机上。
This system performs an air decay test and installs several components into valve covers. The finished covers are automatically removed and placed onto an accumulating conveyor.
使用这个输送系统传送的金属液，不与空气接触，大大减少了铸件由于氧化和吸氢造成的缺陷。
Using this delivery system, the melt is not expose to air, and produced castings will benefit from a dramatic reduction in oxide formation and absorption of hydrogen.
系统给出了气垫带式输送机生产率、气垫压力、空气流量、气孔面积、鼓风机和电机功率的计算方法。
In this part, calculation methods of the productivity, air-cushion pressure, air flow quantity, nozzle area, capacity of ventilator and electric motor are given out systematically.
通风与空调系统中用于处理和输送空气的风管、风口、空气处理机组及其它部。
The air duct, air port, air handling unit and other parts are used to handle and transport air in heating, ventilation and air-conditioning systems.
通风与空调系统中用于处理和输送空气的风管、风口、空气处理机组及其它部。
The air duct, air port, air handling unit and other parts are used to handle and transport air in heating, ventilation and air-conditioning systems.
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