What does USBF stand for?
USBF stands for "upflow sludge bed-filter"
How to abbreviate "upflow sludge bed-filter"?
"upflow sludge bed-filter" can be abbreviated as USBF
What is the meaning of USBF abbreviation?
The meaning of USBF abbreviation is "upflow sludge bed-filter"
What does USBF mean?
USBF as abbreviation means "upflow sludge bed-filter"
