“紧固”用英语怎么说？

她发明了一种灵巧的小工具用来松开紧固的螺母和螺栓.She has invented a nifty little gadget for undoing stubborn nuts and bolts.变压器紧固结构先进, 抗短路能力强.Advanced Transformer fastening structure, the ability to short - circuit resistance.灯体采用螺纹紧固,防爆性能好.Lam...

“紧固”的拼音为：jǐn gù...