This is a Gyro Suction Gage used in many Cessna Airplanes. Normal Gyro Suction values are 4.1 to 5.4 inches of mercury. 陀螺吸 真空系統 英寸的汞 賽斯納公司類型陀螺吸蓋奇
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This is a Gyro Suction Gage used in many Piper Airplanes. Normal Gyro Suction values are 4.1 to 5.4 inches of mercury. 派珀 切諾基 陀螺吸 Piper 陀螺吸蓋奇
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