There were frequent troubles in the steel cables of two 1250t clamshell coaldrops at the wharf of a fossil-fired power plant since clamshell coal-drops were put into service.

• 本文针对燃煤电厂码头两台1250t抓斗卸煤机自投产后钢丝绳一直出现频繁故障,严重影响安全文明生产。