Aero pitot-static pressure system tester has direct effects on the airtightness of the air - borne pitot - static pressure system and the accuracy of meterreading.
全静压系统检查仪对飞机上该系统的气密性与仪表指示的准确性有直接影响。
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And owns directreading spectrometer, tension testing machine, hardness tester, thickness gage, gloss meter, color difference machine etc from Germany.