The electromechanical gauge ACTS as an ammeter because the gauge reading changes with variations in the sender unit resistance.

机电仪表示一种电表，因为仪表读数在传感元件电阻中变化多样。

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The gauge must be giving a faulty reading.

标尺一定是给出了一个错误的读数。

《柯林斯英汉双解大词典》

Note: To get an accurate reading when checking ETX/ETSX tank air pressure with any tire gauge, disconnect the tank from the system.

注：在采用任何轮胎气压表察看ETX/ETSX膨胀罐的空气压力时，为了准确读出压力表的压力值，请将膨胀罐与系统的连接断开。

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He also has said it relies too heavily on poorly designed tests to gauge progress in reading and math at the expense of a well-rounded education.

NPR: Candidates Differ on Breadth of Education Plans

However, economists expected the core reading, which is a gauge of less volatile goods by excluding energy and food prices, to increase less than it did.

FORBES: March PPI Eases, But Higher Than Expected In Core Items

The last official PMI reading, the government's gauge, came in at 50.6 for December, a third month of expansion.

BBC: China manufacturing activity at two-year high, says HSBC