PGWB Series
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PGWB TAU NPAJ POV THAWJ KWV YEEM KAB KAB KAWG CENTRIFUGAL PIPELINE Pipeline Twj
Peb txaus siab los qhia PGWB txhaws kab kab rov tav ib nrab ntawm cov twj tso kua mis, ib qho kev ntseeg siab cov twj tso kua mis, ib qho kev txhim khu kev nyab xeeb thiab siv tau cov tshuaj kom nyab xeeb. Lub twj tso kua mis lub cev tau tsim tshwj xeeb nrog tawg-pov thawj cov ntaub ntawv kom ua kom muaj kev nyab xeeb ntau tshaj plaws thiab kev ntseeg tau thaum lub sijhawm ua haujlwm.