服务器机柜选多大才不浪费钱?42U机柜为啥成老鸟首选,42U机柜为何成为服务器配置老鸟的首选尺寸
How large should a server cabinet be to avoid wasting money? Why is the 42U cabinet the top choice for veterans? Why is the 42U cabinet the preferred size for server configuration veterans
以上为机器翻译结果，长、整句建议使用 人工翻译 。