您要查找的是不是：
- 机machine
- 脱机off-line
- "生化物五天需氧量,见 Biochemical oxygen demand over five days (简写为BOD5)。"five day Biochemical oxygen demand
- 饮水机bubbler
- 死机system halted
- "生化物五天需氧量,见biochemical oxygen demand over five days(简写为BOD5)。"Five day biochemical oxygen demand
- 压机press
- 接机meet sb. at the airport
- 机箱chassis
- 以 Ag2 SO4-Cu SO4为催化剂 ,探讨了微波消解测定炼油污水中化学需氧量 (Chemical Oxygen Demand,CODCr)的方法。A microwave digestion method was developed for the determination of COD Cr in refinery sewage with Ag 2SO 4-CuSO 4 catalyst.
- 播放机player (e.g. CD player)
- 结果表明，经过该法处理后，废水中的化学需氧量（Chemical Oxygen Demand ，COD） 和色度的去除率都在95 % 以上。The results showed that the removal efficiency of chemical oxygen demand (COD) and decoloration efficiency were above 95%25.
- 乘机(adv) seize the opportunity
- 机顶盒set-top box
- 机号device number
- 机柜machine cabinet
- 板机gunlock
- 跑步机treadmill
- 挂机on-hook
- 虚拟机VM
