To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.

为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。

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Bite type fitting consists of three parts: body, cutting ring and nut.

卡套式管接头由三部分组成：接头体、卡套、螺母。

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Adopted with rigid and wearable alloy materials, the glass-like plate and cutting ring have longer longevity.

眼镜板和切割环采用高硬耐磨合金材料，寿命更长。

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Little Ann's 40-year-old single "Deep Shadows, " produced by Detroit's Dave Hamilton, is a marvel of subtle understatement, built around little more than a bass line, a slight tinkle of piano, a cutting guitar line and, most notably, those bells, which ring loud and portend nothing auspicious.

NPR: Little Ann: 40 Years Later, An Unlikely Resurrection