具有洗净度高，结构合理，处理量大，功耗小，洗砂过程中砂子流失少。
High clean degree, proper structure, high processing capacity, low power consumption, low material loses.
斜井或定向井在压裂过程中，经常因出现砂堵导致施工失败。
Sand plug always occurred during fracturing in slant well or directional well.
通常一对砂槌中，一个演奏的音调偏高，一个演奏的偏低。
Often one ball is pitched high and the other is pitched low.
用于清洗分离砂石中的石粉泥土，是配合制砂机使用的一种高效洗砂选矿设备。
Sand washing machine is coordinated with sand Maker to separate the sand from stone dust.
砂吹进食物中，里边尽是砂子。
砂问题是疏松砂岩油气层开发过程中永恒的主题。
Sand production and sand control are main problems during development of loose sand.
油藏开发过程中的出砂问题是影响产能的重要因素。
Sand production is an important factor affecting productivity of oil wells.
一种从重砂中回收细粒金的方法。
The present invention relates to a recovery method of fine grain gold from heavy concentrate.
一种从重砂中回收细粒金的方法。
The present invention relates to a recovery method of fine grain gold from heavy concentrate.
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