它是一种能在各种恶劣环境下取代人力从事黄砂、煤炭、矿粉、散化肥等散货装卸的有效工具。抓斗结构简单，启闭机构新颖，操作方便，适用于单卷筒起重机装卸各类散货。
It is an efficient tool for loading and unloading sands, coal, mineral powder and bulk chemical fertilizer. The mechanical structure for opening & closing is simple and original. It is easy to use and especially works for the crane which has one hoisting drum.
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