pre-firing n.是什么意思

用法例句

The effect of preemptive Han s acupoint nerve stimulator on postoperative pain in patients undergoing radical mastectomy;

预先韩氏穴位神经刺激对乳腺癌术后镇痛效果的影响

The obtained activation energies for the first crystallization is 299±10kJ/mol,with the crystallization kinetics proceeding by a three-dimensional diffusion controlled grain growth on pre-existing nuclei,where n=1.

3,是以预先形核的核心为基础的三维扩散控制生长方式为主;第二个晶化过程为残余非晶中Fe3B的形成过程,其激活能为423±12kJ/mol,Avrami指数为3。

By adding prescreening before secondary crusher,the technical transformation of crushing technology was done in Sanshimudi concentrator.

通过增加中碎前预先筛分,对三十亩地选矿厂碎矿工艺流程进行了有效的技术改造。

According to the principle of unification cutting, using the method of pre-compensation, by modifying the coordination address numerical value that reflecting the elementary dimension of the workpiece in NC program to prevent waste product, increasing the precision of workpiece dimension,and assuring the succession of the processing.

预先补偿、修改NC程序中反映工件基本尺寸的坐标地址值数字,可以在遵循统一切削原则的前提下,防止出现废品,提高工件的尺寸加工精度,保证数控车床上工件加工的连续性。