求翻译：(1)、手术结束后，在操作界面上触按“关机”键，等屏幕出现“可以关机了”字样时，按确认键后，关闭钥匙开关“4” （见图三），然后关闭空气开关“7”（见图四）。是什么意思？

(1), after the end of surgery, the user interface on touch "off" key, the screen appears you can shut down "the words, press the Enter key, turn off the key switch" 4 "(see Figure 3), and then turn off the air switch "7" (see Figure 4).

(1), after surgery from the Operator Interface touch the "Shut Down" key, the screen can be turned off when the word " and press the Confirm button, turn the key off the " 4" (See Figure 3), and then switch off the air switch " 7" (See Figure 4).

正在翻译，请等待...

(1), after the end of surgery, on in operator interface touch "off" button, the screen appears "shutdown" when words, after you press ENTER, close the key switch "4" (see figure III), and then close the air switch "7" (see figure IV).

After (1), the surgery ended, touches on the operation contact surface presses “the close-down” the key, and so on the screens appear when “might close down” the inscription, after presses confirmed the key, closed the key switch “4” (to see Figure three), then the shutting down air switch “7” (saw