该设备可对不锈钢、碳钢进行缝焊，具有焊接时间、电流大小、焊接速度及加压时间等参数的无级调节。
That equipment can sew weld to the stainless steel, and carbon steel. It can regulate the parameters such as welding time. current value. welding speed, pressure time and so on.
目的建立视网膜神经节细胞的体外高压培养模型并观察压力和加压时间对视网膜神经节细胞凋亡的影响。
Objective To observe the change of retinal ganglion cells(RGCs)and the expression of Bad after optic nerve injury, so as to study the changes of optic function level on morphology and molecular.
操作方便，生产效率高，具有电流上升时间、电流大小、电流持续时间及加压时间、脉冲频率等参数的无级调节。
This welding machine has features of simple operation, high efficient production and stepless adjustment for current increase time, current value, current maintaining time and pressure time.
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