2026年7月23日 · 未分类
大一号的泵不是保险,是浪费:效率掉10%,一年电费多出一台泵钱。附系统曲线核算示例。
Your email address will not be published. Required fields are marked *
Comment *
Name *
Email *
Website
Save my name, email, and website in this browser for the next time I comment.