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guan yu gang si sheng bao fei biao zhun wen ti
Pages: 57
Year: Issue:  1
Journal: Safety in Coal Mines

Keyword:  钢丝绳报废标准接触式安全规程钢丝绳直径磨损面圆周捻距强度损失圆形断面;
Abstract: <正> 编辑同志:《矿煤安全规程》第355条规定提升钢丝绳直径减小10%时必须更换,此条规定对面接触式钢丝绳是否适用?因为钢丝绳在每个捻距内每股中的每一丝都在绳的最外圆周(磨损面)出现数次,
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