float tide gauge

... frequency division multiplexing,频分多路传道输送 float tide gauge,浮子式验潮仪 fluxgate magnetometer,磁通门磁性仪;磁通门磁强计 ...

 float-type tide gauge

... float type capacity gauge 浮子式液位指示器 float-type tide gauge 浮子式验潮仪 float-cage type gauge 浮动箱式液位计 ...