以下为句子列表：
英文: As particular geological bodies, many paleo-sinkholes extensively develop and distribute in North-China-Type coalfields, This paper studies the model of water inrush for thick wall cylinder at side face of paleo-sinkholes in north-China-Type coalfields, T
中文: 摘要岩溶陷落柱作为一种特殊地质体，在华北型煤田广泛发育和分布，本文就华北型煤田岩溶陷落柱侧壁厚壁筒突水模式及判据进行了研究，这对华北型煤田煤矿安全生产有着重要意义。
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英文: The plant cell is bounded by a comparatively thick wall made of cellulose.
中文: 每个植物细胞外面有一层由较厚的纤维素构成的细胞壁。
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英文: With the reasonable gearing,it is powerful in cutting. capable to cut various pipes of thick wall or big diameter,to shape V-taper or Flat-taper.
中文: 传动装置合理，切削力大，功效高，能加工各种厚壁大管径的管道，可加工V型坡口及平型坡口等。
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