... vein lead-zinc deposit ==> 脉状铅锌矿床 vein material ==> 脉质 vein meshes ==> 脉网 ...
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Fitted in vehicles mainly for insurance purposes, the cameras store pictures on a hard drive in case of incident, and have provided a rich vein of material on social media and video-sharing websites.
BBC: Meteor highlights rise of dashboard cameras in Russia
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