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manhole-valve1 4 years ago
[URL=https://profile.hatena.ne.jp/manhole-valve/]دریچه منهول[/URL] یک محفظه کاری است که به منظور ایجاد دسترسی به خط لوله در فواصل زمانی در امتداد خط لوله نصب می شود. این امر عمدتا برای بازرسی و نگهداری است. از آنجایی که دسترسی مستقیم به فاضلاب امکان پذیر است، منهول ها و به ویژه دریچه منهول بخشی اساسی از هر سازه ای مرتبط هستند.
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