被描绘钢碟子，形成基础桥，轮廓的被进入地面之内驾驶15公尺而且进入盖上被单机器的一个巨大振动的石灰石岩床之内驾驶还有3公尺。
Profiled steel plates, forming the foundation shaft, were driven 15 metres into the ground and a further 3 metres into the limestone bedrock by an enormous vibrating sheeting machine.
他和海蒂一起把厚厚的被单盖上，把边沿掖好。
He and Heidi together put the heavy sheet on, tucking the ends in well.
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