更多geophone例句

1. "The vibrodyne machine isn't running," he remarked finally after repeated adjustments of the geophone.
2. Nothing at all of any value was being recorded by the geophone when Kennedy glanced quickly at his watch.
3. We entered our bare little room and Kennedy set to work as though to detach the geophone, while I explained it to our client.
4. The first geophone used by the western powers in the war was invented by the French.
5. If the enemy were burrowing in the ground anywhere within a distance of 75 yards the geophone would tell about it.