求翻译：切削热的产生和由它导致的切削温度是影响金属切削状态的重要物理因素之一。本文通过45#圆钢在几种不同切削速度下的温度场的仿真分析，直观的表现出切削速度对金属切削热的影响，从而对优化切削参数和研究刀具磨损机理提供方法依据。是什么意思？

Cutting heat generation and cutting caused by its metal cutting state temperature is an important physical factor. In this paper, 45 # round in several different cutting speeds of the temperature field simulation, the performance of a visual cutting metal cutting heat effects, thereby optimizing the

heat generated by 3300 and by 3300 it had led to the temperature of the metal cutting State affected by one important physical factors. Through this article 45# steel round in several different cutting speed ADCP) under the simulation analysis, visual display of metal cutting hot cutting speed, and

Cuts the hot production and the cutting temperature which causes by it affects one of metal cutting condition important physical factors.This article through the 45# round steel under several kind of different cutting speeds temperature field simulation analysis, the direct-viewing performance cutti

Cutting heat generation and cutting temperature caused by it is one of the important physical factors affecting metal cutting State. This article by several different cutting speeds of 45# round steel in temperature field simulation analysis, intuitive show influence of cutting speed on metal cuttin

Cutting heat generation and cutting caused by its metal cutting state temperature is an important physical factor. In this paper, 45 # round in several different cutting speeds of the temperature field simulation, the performance of a visual cutting metal cutting heat effects, thereby optimizing the