问题
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The _____ discharge a nearly constant amount of liquid regardless of pressure.
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The purpose of the low pressure cut-out switch is to _____.A.maintain liquid refrigerant a
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A pressure drop in the liquid line of a refrigeration system may cause________.A.the solen
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Fuel has to be injected into the engine at a high pressure so that it _____ correctly.A.is
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Which of the following terms is used to identify the pressure of the liquid entering a pum
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The boiled point of any liquid is determined by the pressure of the surrounding gases.
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