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1.结构原理:该采样器由主体采样管、加力体和定位架组成。在主体采样管的下端装有带刀口的钻头,可减小沉积物贯入采样管时的阻力。本采样器中采用两个装有耳片的桔瓣型
1. Structural principle: The sampler consists of the main sample tube, the Canadian body and positioning frame. The lower end of the main sampling pipe is equipped with a bit with a knife to reduce the resistance of sediment penetration into the sampling pipe. The sampler uses two orange-type with ears