当钢索在疏通堵塞物时，要注意钢索的反响，假如发现堵塞物较难经过，要恰当收回必定钢索，再逐渐向前疏通。
When the wire rope in dredging obstruction, pay attention to the wire, if discover obstruction difficult to pass, to the appropriate recycling must wire, and then gradually opening up ahead.
当钢索在疏通堵塞物时，要注意钢索的反响，假如发现堵塞物较难经过，要恰当收回必定钢索，再逐渐向前疏通。
When the wire rope in dredging obstruction, pay attention to the wire, if discover obstruction difficult to pass, to the appropriate recycling must wire, and then gradually opening up ahead.
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