Pob Valve Nrog Lim

Qhia cov cokaren pob valve nrog lim - ib qho khoom uas embodies zoo tshaj cov haujlwm thiab cov khoom zoo. Lub vev xaib tshiab no sib xyaw ua ke ntawm lub pob muaj zog thiab ib qho kev sib zog, ua nws ib feem tseem ceeb ntawm kev xa khoom. Nws tsis tuaj yeem tswj hwm tus ntiv nplhaib ntawm qhov nruab nrab hauv cov raj xa dej, tab sis kuj yog ectively fi lter cov impurities uas twb muaj nyob hauv lub raj xa dej.

Cov ntaub ntawv yooj yim

Cov khoom lag luam zoo

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