High Frequency, Solid Aluminum TopType 350’s solid aluminum top assures extremely low impedance. With a typical 4 to 6 nH ESL, the self reso-nant frequency is well above 100 kHz. The very
I C S91.100.30Q14中华人民共和国国家标准G B/T19685 2017代替G B/T19685 2005预应力钢筒混凝土管P r e s t r e s s e d c o n c r e t e c y l i n d e r p i p e2017-03-09发布2018-02-01实施中华人民共和国国家质量监督检验检疫总局目 次前言Ⅰ1 范围12 规范性引用文件1