portable automatic tide gauge
automatic portable test set for cable
portable automatic gas monitor
portable automatic data recording equipment
automatic tide gauge
自动验潮计
自动验潮仪
自记潮位计
自动潮汐表
自动潮位计
自记潮汐计
Hydraulic automatic gage control
self-recording tide gage
block gage (gage block) (slip gage)
automatic and semi-automatic
automatic change and automatic recovery device
automatic cutting and creasing press with automatic feeder
automatic repeat request [= automatic request for repetition] {= ARQ}
average tidal current velocity during flood tide or ebb tide
spring tide and neap tide