purchase of equipment and material
purchase of equipment and material
设备和材料的采购
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The importance of deposit control in material and equipment purchase is narrated, the optimum choice of deposit control is introduced.
介绍了浓硝酸稀释工业化的工艺方法、设备材料选择及装置运行情况。
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