نمایش نتیجه 1 تا 8 از 8 نتیجه یافت شده برای BF:
base flange.
base flange elevation.
abbr: barrels of fluid per hour;used in drilling reports.
n: to prolong cutters service life.
mean time between failures, a measure of reliability.
n: the ability of an item to operate as specified for an indicated time period. Often expressed as mean time between failures (MTBF) or mean time to failure (MTfF).
the ability to perform a design function at a specified set of conditions over a target time period.
n: A kind of composition assemble of bearing of cone bit ,which contain a pair of roller,ball and plain bearing.
n pi: the standard pressure and temperature to which measurements should be referred. These are (I bar [IOI.325kPa]/cm2),15�C for the SI metric system, and 14.73 Ibfm.2, 6()�F for the US and British systems.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
