... 气孔 [矿物学] blowhole; [植物学] stoma; [动物学] spiracle; pore; stigma; [冶金学] gas hole; gas pocket; [建筑] air hole 抽出气,引出气 tapped air 侧出料式 side discharged type; side door furnace ...
Glasses of water filled to different heights, when tapped, create a vibrating tone due to the water surface affecting the air.
当敲击装着不同高度的水的玻璃杯时，会由于水面影响空气而制造出震动的音调。
2
After more than 20 years of service in the Air Force and United States Marine Corps, Glisan tapped that experience and founded Aviation Compliance Testing in 1990.