问题
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A charge of fresh air is drawn into the engine cylinder and then _____ by the moving piston_____ very high pressure.
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The high pressure in fuel injection system of the diesel engine is produced by the _____.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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Charging-air pressure increases if there is incorrect combustion and drop in the _____ of
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_____ are fitted in the exhaust system and facilitate charge removal and scavenging in eac
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The Vice Chairman of the conference is ______inviting the VIPs.A.in view ofB.in charge ofC
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