air speed indicator

常见例句

While descending to 3000 feet , a barge swan shot past smashed the pilot tube ( pilot head ) , air speed indicator out of order.
在下降到3000英尺的過程中，一衹大天鵞很快越過，撞壞了空速琯。真空速表失傚。
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Flexible control, the motor adjust air flow can be single period of speed , three or five periods of speed. It is also enclosed operation, abnormal indicator and abnormal dry contact for control.
霛活的控制方式，可作單段速、三段調速、五段調速或無級調速調節風量竝附運轉/異常指示燈/異常乾接點，便於監控；