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The needle valve in a fuel valve will _____ when the fuel pressure action on the needle va
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The soot blowers are operating in the oil fuel boiler the air/fuel ratio must _____ throug
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Air in the fuel lines to the fuel injection nozzles of a diesel engine will cause the engi
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Due to the increase in the price of fuel, we will limit our free delivery service to any o
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According to Robert Halfon, the government should______.A．stop fuel price increasingB．regu
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According to the interview, in which place are gas prices above the national average？A．Ari
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Fuel scarcities and price increases ______ automobile designers to scale down the largest
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