您要查找的是不是：
- COD检测COD detection
- COD检测仪COD instrumentation
- 检测to detect
- 微回流管封闭回流应用于废水中COD检测的方法研究Research detecting COD in wastewater by using reture sealed with micro-return line
- 检测仪surveymeter
- 检测报告examining report
- 无损检测nondestructive examination (NDE)
- 检测设备COTS
- CODchemical oxygen demand (COD)
- 检测方法test method(s)
- COD值COD
- 检测机构feeler mechanism
- 高CODhigh COD
- 检测仪器detecting instrument
- 低CODlow COD
- COD/PCOD/P
- 质量检测quality testing
- CODαCODα
- 检测系统detecting system
- COD特征值characteristic value of COD
