Description: mathematical expectation of the operating time between failures; Name: mtbf
Description: expectation of the operating time between failures; Name: mean time between failures (MTBF)
Description: for objects with preferred utilization positions, the overall dimension that is generally oriented on the gravity and (in general) is measured vertically to the floors from the inlet cross-section through to the pump; Name: Elevation of setting of the machine sets, suction-side