Its structure unfolds moderate tension state for many relationship pairs.

其结构呈现为诸多关系对子的适度张力状态。

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Its pressure is moderate, with a simple structure and reliable operation.

它压力适中，结构简单，运行可靠。

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Its pressure is moderate, with a simple structure and reliable operation.

它压力适中，结构简单，运行可靠。

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