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- It is valuable research to design high temperature brushless dc motor drive and control circuit for oil well detecting. 摘要设计适应油井高温环境的无刷直流电动机驱动电路是一项重要的研究课题。
- oil well detecting and monitoring 油井监控
- An oil well blew out in the oil field. 油田里有一口油井发生井喷。
- An oil well blew out in the North Sea. 北海的一口油井发生了井喷。
- Design of a High Temperature Brushless DC Motor Drive and Control Circuit for Oil Well Detecting 油田探测用高温无刷直流电动机驱动控制电路设计
- This oil well runs 80 tons of oil every day. 这口油井每天出石油 80 吨 。
- This is an oil well that no longer produces. 这是一口不再出油的油井。
- The oil well delivers 300 barrels a day. 这口油井日产原油300桶。
- The oil well flowed 80 barrels a day. 这口油井日产80桶油。
- This was how the first oil well was sunk. 第一口油井就是这样打出来的。
- When was the first offshore oil well drilled? 第一口滨海油井是什么时候打的钻?
- oil well detecting 油井检测
- The oil well delivers 500 tons a day. 这口油井每天喷油500吨。
- The oil well delivered only 50 barrels a day. 这口油井每天只产原油五十桶
- The oil well delived 20 barrels a day. 这口油井每天出20桶油。
- The oil well delivered only50 barrels a day. 这口油井每天只产原油五十桶
- The oil workers are drilling an oil well. 石油工人正在打油井。
- That is an oil well that no longer produces. 那是一口不再出油的井。
- To start producing. Used of an oil well. 开始生产。用于油井
- The oil wells turned into a raging inferno. 油井化为熊熊的火海。
