由复杂扭曲的管道为例，说明moi存在的核心问题（Taking complex twisted pipelines as an example, illustrate the core issues of moi）
From:
大道刀 (SUIYAN)
22 May (20 of 20)
11409.20
In reply to
11409.19
HI Michael
我很抱歉忽略了这一点（I'm sorry for overlooking this point）
