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The third part is the design of visual intercom system.
第三部分阐述的是可视对讲系统的设计。
youdao
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They'll have oxygen and intercom system so they can talk to the rescuers.
在救生舱中有氧气和对讲机，这样他们就可以跟营救人员通话。
youdao
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They'll have oxygen and intercom system so they can talk to the rescuers.
在救生舱中有氧气和对讲机，这样他们就可以跟营救人员通话。
youdao