Regional interlayer oxidation zones of various scale are developed in sand bodies.
砂体中均发育有不同规模的区域性层间氧化带。
Authors introduces an example of applying no-bake furan resin sand technology to large-scale and high-efficient molding line.
介绍了一种把呋喃树脂自硬砂工艺应用于大批量、高效率造型线的实例。
Because it destroyed the river equilibrium, sand excavation would cause river bed erosion in large scale, which is danger our to the structure across the river.
由于采沙破坏了天然河床的平衡状态,可引起长距离河床整体下切,对已有跨河桥梁工程不利。
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