针对油井流量的实际情况提出了超声互相关方法，设计了超声传感器和互相关器。
In this paper, ultrasonic cross correlation technology was presented, ultrasonic sensor and circuit were designed.
30升的耦合剂储蓄槽。自动化泵槽装置可以将其完全循环利用。可显示直观的电子层面。通过流量传感器和超声波地来对耦合剂进行连续监控。
30 litre couplant tank. automatic pumped supply with full recirculation. visual and electronic level display. continuous couplant monitoring by flow sensor and ultrasonically.
标准型超声波明渠流量传感器包括10英尺的电缆，但可以用高达500英尺的电缆购买。
Standard ultrasonic open channel flow sensors include 10 ft of cable, but can be purchased with up to 500 ft of cable.
标准型超声波明渠流量传感器包括10英尺的电缆，但可以用高达500英尺的电缆购买。
Standard ultrasonic open channel flow sensors include 10 ft of cable, but can be purchased with up to 500 ft of cable.
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