在线观看91免费精品国产拍在线_免费的一级a级毛片_一级特黄aa大片手机在线_日韩人妻中文字幕2021视频_日本亚洲乱码中文字幕影院_中文字幕一区无码流出_国产91在线拍偷自偷无码_精品国产黄片自拍_欧美超巨大GAY自慰_欧美午夜精品免费理论片

The ultra-quiet generator set adopts a full water-cooled axial flux permanent magnet generator, which has a compact structure and high power generation efficiency. The cone self-locking structure pioneered by ZONHOW in the application effectively solves the problem of transmission noise. The noise of the unit is less than 55 dB ( 1 m ), and the eight indicators meet the requirements of the first class power station of the national military standard.