potassium tantalate-niobate

例句：

1. 1.This potassium tantalate-niobate is used in the production of electronic devices.
   这种钾钽酸盐用于生产电子设备。
2. 2. The potassium tantalate-niobate crystals are highly resistant to corrosion.
   钾钽酸盐晶体对腐蚀有很强的抵抗力。
3. 3.The potassium tantalate-niobate was discovered by accident during a research on rare earth elements.
   在研究稀土元素时意外发现了钾钽酸盐。