نمایش نتیجه 1 تا 3 از 3 نتیجه یافت شده برای differential pen:
n: on a flow recorder, the pen used to record differential pressure across the orifice in the meter;usually recorded in red ink on the flow recorder chart.
v: to bring a differential pen to the zero point on an orifice chart.
n: on an orifice chart, the point at which no differential pressure is exerted on the differential pen.
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
