external-convection ring sensitive element
...rnal-convection column sensitive element柱状外对流敏感元件 external-convection ring sensitive element环状外对流敏感元件 external disturbance外扰 ..
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external-convection ring sensitive element || 环状外对流敏感组件 external-scale liquid-in-glass thermometer || 外标式玻璃温度计 ..
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