| 释义 |
mean time to first failure首次故障前平均时间mean time to first failure平均首次故障寿命mean time to first failure平均首次故障时间双向☞mean time to first failure--MTFFmean time to first failure平均首次失效前時間電機工程mean time to first failure首次故障前平均時間統計學名詞mean time to first failure最初故障平均時間機械工程 |