Completely closed design, simple and reliable, easy to maintain. Nice shape.
全封闭设计，简单可靠，维护容易，外形美观大方。
Unfortunately such thinking isn't always reliable, and quite often completely wrong!
不过，这种事情并非总是可靠，甚至常常都是错误的。
Unfortunately such thinking isn't always reliable, and quite often completely wrong!
不过，这种事情并非总是可靠，甚至常常都是错误的。
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