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节制闸标
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节制闸标
设在靠近节制闸上游或上、下游一侧的岸上,也可将灯悬挂于节制闸的上游或上、下游水面上空架空线上,标示前方是节制闸防止船舶误入发生危险的航行标识。
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atomic fluorescence mercurymeasured spectrometer
atomic fluorescence spectrometer
atomic fluorescence spectrometry
atomic fluorescence spectrometry (AFS)
atomic fluorescence spectroscopy
atomic fluorescence spectrum
atomic fluorescence spectrum (AFS)
atomic force
atomic force microscope
atomic force microscope, AFM
atomic force microscopy
atomic force microscopy (AFM)
atomic force microscopy, AFM
atomic form factor
atomic formula
atomic fountain
atomic fraction
atomic [fractional] coordinate
atomic fractional coordinate
atomic frequency
atomic frequency scale
atomic frequency standard
atomic fuel
atomic gas laser
atomic gyroscope
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