The new type of assault vehicle UAV appeared in the park, and the police started dynamic patrol
release time: the transesterification reaction between hydroxyl and ester functional groups at high temperature gives the printing structure reprocessability
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release time: 6 The friction force of the force measuring piston in the oil cylinder increases or gets stuck
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the average aluminum consumption of a single car in China in 2014 was about 92kg/P>
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the project team of Sinoma science and technology support plan has established a technological innovation system with enterprise as the main body, market as the guide, industry, University, research and application collaborative innovation release time:
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