Maybe it's time I got one of those air filter units for our home.
也许是该在家里装上空气过滤器的时候了。
Any air filter can use one (or more) of three different techniques to purify air.
任何空气过滤器都会采用下述三种空气净化技术的其中一种(或多种)。
The dry-type air filter is made of a paper element.
干式空气滤清器由纸制造而成。
Solenoid valve, hand wheel, valve position switch, air filter regulator and so on.
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
Solenoid valve, hand wheel, valve position switch, air filter regulator and so on.
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
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