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.Water and air are _______ to human beings. We can
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Sea water is not used directly as a coolant because of _____.A.low specific heatB.high spe
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The designed capacity is 25 tons a day, but the fresh water generator can only _____ 22 to
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______ is used to prevent the entry of sea water to the machinery space.A.A special sealin
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Lube oil in the fresh water cooling system of a diesel engine may result from a _______.A.
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We can infer from the passage that______.A．when put into water, nanaoparticles are highly
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We have made up laws to protect the water from being polluted and the animals _____
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