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Reverse flushing can be done automatically: the backwash is done by hydraulic valve opening and hydraulic cylinder pistons, which are controlled by the backwash controller. The anti-flushing controller can accurately control the hydraulic valve and hydraulic cylinder according to the differential pressure value from the filter inlet and outlet, and the power of the controller comes from the pressure of the line itself.
Continuous traffic:
Depth indication: you can tell which metal objects detected are buried in depth;
The rest of your life time, are working as a nurse in the hospital for 20 years, imperceptible in the past, whether hospitals, or personal, passage can be used to describe, fast three hundred general hospital, in a few years time, shrinking into a small clinic, and himself, from the ignorant girl, energetic meet Bob through, in the ward to too much of life and death, become calm and give up this profession, there are a lot of feelings, but don't know how to write.
Most babies do not have adverse reactions after vaccination. Some baby vaccinated will fever, headache, loss of appetite, needle eye redness and swelling, pain or inflammation such as scleroma, this is the general response to vaccines, this kind of reaction generally do not need special treatment, 2 ~ 3 days to recover on its own. Due to individual differences, such as allergic constitution, some vaccines may occur in cases such as rash, anaphylactic shock and other allergic reactions. This is an abnormal reaction and needs to be treated in the hospital. Also some babies vaccination is a disease of disease, or there has not yet found the basis of the incubation period after vaccination coincidence, known as coupling, coupling and vaccine itself has nothing to do.
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