用 途:适于江河、湖泊、水库、灌区直接观察水位.
Specifications: length 1.2 m (1m), width 0.08 m, red and blue colors
Material: δ = 0.8 mm iron board, double-sided enamel
Features: intuitive, economic, convenient
Use: suitable for rivers, lakes, reservoirs, irrigation areas directly observed the water level.