You must pay attention to the working temperature of the machine. 你们必须注意机器的工作温度。
Several methods charactering upper limit working temperature of resin matrix composites are discussed. 本文讨论了表征树脂基复合材料上限工作温度的几种方法。
Though the heat produced convection and further blurring, it was the only way to keep the camera at a reasonable operating temperature for an extended period of time. 尽管热能产生对流并且让影像更加模糊,但只有这样才能让相机在长期曝光拍摄中有一个合适的操作温度。