| CCF |
A CCF if the final inspection of backflow prevention devices used on the potable water system.
출처: www.lawrenceneighres.org/InspectionDefinitions.sht...
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| CCF |
A unit of measuring natural water; it is short for hundred cubic feet.
출처: www.ct.gov/occ/cwp/view.asp
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| CCF |
100 cubic feet of gas. This is a measure of gas usage.
출처: www.eqt.com/Equitable_Gas/Customer_Service/CustSer...
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