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开滦矿务局钱家营煤矿矿区有一条季节性河流。由于采动影响,沙河左大堤有2300m不同程度的下沉破坏,每年用于防迅加固河堤的费用均在几十万元以上。我
Kailuan Mining Bureau coal mine camp has a seasonal river. Due to the mining influence, the Shahe left levee has 2300m different degrees of subsidence and damage, and the annual expenses for strengthening the riverbanks are more than several hundred thousand Yuan. I