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英语翻译Excavate any material except rock to form turnouts trian

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英语翻译
Excavate any material except rock to form turnouts triangular or trapezoidal drain at toes of embankments,catchwater drains at tops of bench cutting not exceeding 3m deep and dispose of excavated materials as cut to spoil.
挖掘任何材料,除岩石形成道岔三角形或梯形流失,在脚趾的河堤,水渠排水渠在毛条台切割不超过3米深和处置的挖掘物料为国家节约了破坏.