执行者应能保证清洗系统的完善性，确保不存在盲区和积液区的分支管。

The Executor, in preparing his circulating system, shall ensure that circulation is complete and that there are no dead ends or branches that will create traps.

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执行者应能保证清洗系统的完善性，确保不存在盲区和积液区的分支管。

The Executor, in preparing his circulating system, shall ensure that circulation is complete and that there are no dead ends or branches that will create traps.

youdao