flow gauge 流量计

visible oil flow gauge 目测油规 ; 目测滑油流量计

oil flow gauge 油流量计

packaged stem sap flow gauge 包裹式茎流计

sap-flow gauge 茎流计

heat-flow gauge 热量计 ; 热流计

mass flow gauge 质量流量计

process gas flow gauge 工艺气体流量表

flow gauge regulator 流量仪表阀

stem flow gauge 茎流计