mine service life 中文意思是什麼

mine service life 解釋
水雷戰斗有效期
  • mine : pron 1 〈I 的物主代詞〉我的（東西），我的家屬，我的親戚。 The book is mine 這本書是我的。 He was ...
  • service : n 塞維斯〈姓氏〉。n 1 服務；工作；公務；職務；事務；業務；行政部門（人員），服務機構（人員）。2 ...
  • life : n （pl lives）1 生命，性命。2 一生；壽命；【原子能】（亞原子粒子的）生命期；使用期限，耐久性。3 ...
  1. A feasibility study on prolonging the service life of the 290 level adit in nanfen surface mine

    南芬露天礦延長290平硐服務年限的可行性研究
  2. Way to prolong the mine service life

    延長礦山壽命的途徑
  3. In view of the technical and safety problems ecnountered in the later - period management of shankoucun tailings dam in meishan iron mine, a series of technical measures were taken to lower the water - table of the dam. as a result, the service life of the tailings dam has been prolonged and the dam has been made to operate in a safe and stable way

    針對梅山鐵礦山口村尾礦庫在後期管理中遇到的技術、安全問題，通過採取一系列的技術措施，降低尾礦壩的浸潤線，達到了延長尾礦庫使用壽命，從而使山口村尾礦庫安全、穩定、順行。
  4. Explains : this machine and tools have the merit of simple structure, the operation service is convenient, service life long and area small and so on. use for chemical industry, metallurgy, construction, mine machinery processing, the dust removal efficiency may reach 93

    說明：該機具有結構簡單，操作維修方便，使用壽命長，佔地面積小等特點，適用於化工、冶金、建築、礦山、機械等行業粉塵的處理，除塵效率可達93 % 。
  5. Abstract : this paper made an approach to the form and cause of the failure of large diameter long - hole rock drilling tools in anqing copper mine and put forward some ways for extending the service life of rock drilling tools in the light of its practical use

    文摘:文章主要就安慶銅礦大直徑深孔鑿巖鉆具的失效形式和原因進行了探討，並從鉆具使用角度出發提出了提高鑿巖鉆具使用壽命的途徑。
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