ObjectiveTo improve the standard method for determining phosphoric acid in the air of workplace, so as to make it to be applied in practical work.
目的对目前工作场所空气中磷酸的标准测定方法进行改进,使之可以在实际工作中应用。
This article makes an exploration, combined with the work experience, of the method for determining the unit price of Labour, materials and machines of foreign projects.
此文结合工作实际,较全面地探讨了国外工程工料机单价的确定方法。
The calculation method of determining the optimum work and geometrical parameters of this pump are presented. The above theory is verified by experiments.
提出了确定该泵最优工作及几何参数的计算方法,通过试验对上述理论进行了验证。
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