应用光学显微镜和扫描电子显微镜研究分析了催化裂化装置再生器内U型取热盘管失效的原因。
The causes of failure of the U-type catalyst cooler in regenerator of FCCU were analyzed with optical microscope and scanning electron microscope.
该系统由一单板微处理机和一套全晶体管电子点火装置组成，反馈信号由汽油机转速传感器检取。
The control system is made up of a single-board microcomputer and an electronic ignition system. The feedback signal is detected by a speed sensor.
该系统由一单板微处理机和一套全晶体管电子点火装置组成，反馈信号由汽油机转速传感器检取。
The control system is made up of a single-board microcomputer and an electronic ignition system. The feedback signal is detected by a speed sensor.
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