如果外部组件交付迟了，或者没有按照预期工作，那么您拥有一个可接受的储备来支持测试。

If the external component is delivered late or does not work as expected, you have an acceptable backup to support testing.

youdao

各作战单位可根据需要将组件进行组拼，在这些组拼成的基地内进行储备和调用的作业。当该基地不再需要时，可以不留任何踪迹的将其全部拆解。

The armed forces could assemble them when needed, add to them, subtract from them and eventually dismantle them when they are no longer required—and all without leaving a trace.

youdao

得益于强大的上下游产业链优势，我们已经储备了一定的组件。

Thanks to our strong industry chains, we have stored a large stock of parts.

youdao