Translation. Their fine quality, attractive design and the reasonable prices at which we offer them will convince you that these materials are really of good value.
【简答题】英文翻译The basic functions performed in a nonreciprocaing extruder are solids conveying, melting, melt conveying, mixing, and sometimes decolatilization. The very same functions are performed in a recipr...
【判断题】Generally, normal planes are preferred to be used as cutting planes, and the cutting plane will go through the symmetrical planes of the solids or the axes of revolved features.