The sides of the energy chain are connected through a tongue - and - groove connection .

双方的能源链的连接通过舌 槽连接.

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The torsional stability of the energy chain is also increased.

扭稳定的能源链也有所增加.

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This means the interior division can be installed without opening the energy chain.

这意味着内部分工可以安装在开放能源链.

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