转载台受矿坑边缘线总长80m，如果转载台两边均挖掘到限，问此时转

转载台受矿坑边缘线总长80m，如果转载台两边均挖掘到限，问此时转载台的工作线长度是多少？

正确答案: 如果转载台两边均挖掘到限，表明转载台两边的保安平台保留，保安平台的长度均为15m。
此时转载台工作线的长度=受矿坑边缘线总长-转载台两侧的保安平台长度=80m-15m×2=50m
此时转载台的工作线长度是50m。

答案解析:有

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