连接有不同的类型，比如通过JDBC连接到数据库，JMS连接，以及通过J2C资源适配器连接到其他任何外部资源。

There are different types of connections, such as connecting to a database via JDBC, JMS connections, as well as connections to any other external resource connected via a J2C resource adapter.

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答：使用合适的绑定，您可以通过Component Imports将外部服务连接到SCA组件以重用以下IT资产类型。

Answer: Using an appropriate binding, you can wire external services to SCA components via component Imports to reuse the following IT asset types.

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四分之一转，双动和弹簧回位类型，具有全封闭结构，没有外部活动连接。

Quarter turn, double acting and spring return type with a totally enclosed design and no external moving linkages.

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