1、
Use a Computer to Choos Cutting Conditions of Modular Machine Tool and Calculate Spindle Parameters
用计算机选择组合机床切削用量并进行主轴参数计算
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2、
With the Solubility Parameter(δ) Choos Solvent to Eliminate the Impurities from Industrial Acetylene
应用溶解度参数（δ）选择清除工业乙炔中杂质的溶剂
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3、
