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
