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- 微型数字式PH/mv计的研制The Dcvelopmcnt of Micro-Digit PH/ mv Meter
- 数字式pH计digital pH meter
- 液晶显示数字式pH计liquid crystal digital pH meter
- pH计研制与开发The Research of pH Meter
- 在线恒温pH计的研究Research on On-line Constant Temperature pH Meter
- pH计测定的酸碱滴定法acid-base titration with pH meter
- pH计在烟气脱硫中的应用Application of pH Meter on the Desulphurization of Flue Gas
- 数字式digital
- 不计except
- 计入reckon in
- 用电荷耦合电路提高pH计测量准确度A new method to improve measuring accuracy of pH meter by charge coupled
- 计件by the job
- 液位计juice level gauge
- 硬度计sclerometer
- 计画plan
- pH计在污水处理中的应用Application of the pH Meter in Dirty Water Processing
- 时计hour meter
- 事前计提基金advanced funding
- 用计maneuver
- 体重计batheroom scales
