Dipmeter
栅陷振荡器, 栅流陷落式测试振荡器
🗣️ 情景例句
I'm taking too much of your time.
我耽误了你很多时间。
How long will it take to have this radio fixed?
修理这收音机要多久？
When the fire had at last been put out, the forest authorities ordered several tons of a special type of grass-seed which would grow quickly.
在大火最后被扑灭后，森林管理当局订购了好几吨一种生长迅速的特殊类型的草籽。