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
- COD chemical oxygen demand (COD)
- 检测方法 test method(s)
- COD值 COD
- 检测机构 feeler mechanism
- 高COD high COD
- 检测仪器 detecting instrument
- 低COD low COD
- COD/P COD/P
- 质量检测 quality testing
- CODα CODα
- 检测系统 detecting system
- COD特征值 characteristic value of COD
