The key point of this technique is technical parameters being accurate in corvey - ing system and equipment selection being reasonable.
该技术的关键是输送系统技术参数准确，选用设备合理。
The key point of this technique is technical parameters being accurate in corvey - ing system and equipment selection being reasonable.
该技术的关键是输送系统技术参数准确，选用设备合理。
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