The outer part of the metal shell is fixed with a temperature display screen connected with the control circuit.
所 述金属壳体的外部固定有与控制电路相连接的温度显示屏；
2
A shell body is arranged outside the frequency converter control circuit and is provided with a wiring terminal, a control switch, an indication light and a displaying screen.
所述的变频器控制电路外部设置有壳体，在壳体上设置有接线端子、控制开关、指示灯和显示屏。
3
The conventional extracorporeal circuit, membrane oxygenator and fitting hard plastic shell venous reservoir was used in both groups.