Using new type adjustment docking steel sets, is simple, fast and strong;
采用新式对接式调节钢套,简便、快捷、牢固;
Using new type material of strictress leakage stoppage for drill leaking of diamond drilling.
提高钻孔涌水量是低渗透砂岩型铀矿床地浸开采的重要内容。
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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