Fais fab faib txee

Lub txee faib khoom (lub thawv) tau muab faib ua lub hwj chim faib txee (lub thawv), teeb pom kev zoo txee (lub thawv) thiab metering txee (lub thawv), uas yog cov khoom siv theem kawg ntawm kev faib khoom.Distribution txee yog lub ntsiab lus dav dav ntawm lub cev muaj zog tswj chaw.Lub txee faib khoom yog siv nyob rau hauv lub sijhawm nrog cov khoom tawg thiab ob peb lub voj voog;Lub chaw tswj lub cev muaj zog yog siv rau lub sijhawm nrog cov khoom hnyav thiab ntau lub voj voog.Lawv faib cov hluav taws xob hluav taws xob ntawm qee qhov hluav taws xob ntawm cov khoom siv hluav taws xob sab saud mus rau qhov chaw nyob ze.Cov cuab yeej siv qib no yuav tsum muaj kev tiv thaiv, saib xyuas thiab tswj kev thauj khoom.