The buoy, which resembles a giant yellow flying saucer with a black tube sticking through the middle, was anchored in 140 feet of water.
这个浮标像一个巨大的黄色飞碟，中心挺着一根黑管子，锚定在140英尺深的海水中。
The Intelligent water level meter by the buoy is designed to meet the need of water discharge auto-measurement at the outlet of irrigation channel of the Yellow River.
智能浮子式水位计是为引黄灌渠斗口流量自动测量而研制的。
The Intelligent water level meter by the buoy is designed to meet the need of water discharge auto-measurement at the outlet of irrigation channel of the Yellow River.
智能浮子式水位计是为引黄灌渠斗口流量自动测量而研制的。
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