And the market rumors Minmetals China Steel Association and the Chamber of Commerce has embarked on the downsizing of the force of iron ore importers.
而坊间传言，中钢协与五矿商会已着手缩编铁矿石进口商的队伍。
This paper briefly introduce chamber blasting examples on bedding ore body, better blasting results achieved, which could serve as a reference for similar blasting.
本文介绍的层状矿体硐室爆破实例，取得了较好的爆破效果，对类似的爆破具有一定的参考价值。
The crushing test on a high-aluminum ore indicates that the crushing performance and capacity are evidently improved by using new type crushing chamber.
通过对铝土矿的破碎试验表明，采用新型破碎腔型，其破碎性能和破碎产能显著提高。
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