The acronym MBTUMA(US Military) means : Mean Time Between Unscheduled Maintenance Actions
The abbreviation MBTUMA stands for: (US Military) Mean Time Between Unscheduled Maintenance Actions
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AFW means: Auxiliary Feedwater
S/TM means: Stratospheric/tropospheric Measurements
FPC means: Federal Power Commission
EKG means: Electrocardiograph (Instrument)