From your guide. I have found that the end of the line is independently. We cannot test your request because they fear that there will be an impact on equipment. At the beginning, we've cleaned it already.
From your guidance I do find that the line was not independent. We can not test as you request. For fear of affecting device. Initially, we had to clean it successfully.
From your advice. I do find that end of the line are not independent. We can't test as you request. For fear of affecting the equipment. We have cleaned it already preliminary