这项由英国设计并获奖的救援系统的成功，依靠总重量只有175克的微型相机和一个发射器。
The success of this award-winning British-designed rescue system depends on miniature cameras and a transmitter which weigh just 175 grams.
这项由英国设计并获奖的救援系统的成功，依靠总重量只有175克的微型相机和一个发射器。
The success of this award-winning British-designed rescue system depends on miniature cameras and a transmitter which weigh just 175 grams.
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