压差和相对压力，6个标定点分布在（>0.6%满量程）范围内。

Differential and positive pressure; 6 measuring points distributed over meas. range (> 0.6% of fsv)

youdao

压差和相对压力，6个标定点分布在（>0.6%满量程）范围内。

Differential and positive pressure; 6 measuring points distributed over meas. range (> 0.6% of fsv)

youdao