链中的最后一个“门”是应用程序访问的数据源的连接池的大小。

The final gate in the chain is the size of the connection pool to the data sources accessed by the application.

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变压器在移动过程中确保设备和人身安全。变压器运至安装位置后采用门型架、倒链就位。

Make sure the equipment safety and human safety during the move of transformer. The transformer is fixed with door fixture and chain block after being transported to installation position.

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移门铰链由坚固的材料构成。一般为钢铰链和链齿轮。

Sash cables shall be constructed from sturdy material. A steel wire and sprocket system is preferred for its strength and durability.

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