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Remarks: “mmH 2 O” Refers to the state of the water column height of 4°C Celsius, and “mmHg” refers to the state of the water column height of 0°C degrees Celsius.
Remarks: “mmH 2 O” Refers to the state of the water column height of 4°C Celsius, and “mmHg” refers to the state of the water column height of 0°C degrees Celsius.