Because DB2 High Performance unload performs the loading and the unloading steps in parallel by using named pipes, the migration process is fast.

因为DB 2 High Performance Unload使用指定管道来并行执行加载和卸载步骤，所以迁移过程非常快。

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Last but not least, the HS 855 HD has an innovative self-loading and fast erecting system, so that a second crane is not needed for the unloading or erecting work.

最后，但不是最不重要的，HS 855 HD配备创新性的自装载、快速架设系统，从而无需第二台起重机辅助进行卸载或架设作业。

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And then driving operation requirements and relevant motion rules for fast and safe unloading of heavy loads are provided.

进而给出了重荷载安全快速卸载的驾驶操作要求及相关运动规律。

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