问题
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If the gas pressure behind the ring is built up too slowly, and thereby exerts an inadequa
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The size of the exhaust valve opening is __________________.
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One remedy for a high firing pressure, in addition to a high exhaust temperature in one cylinder of a diesel engine, is to _______.
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One function of the thermal expansion valve is to________.A.act as a pilot from the soleno
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Which of the listed design features is found in an exhaust valve and NOT in an intake valv
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Many ______ large and big business ______ been built up from small ones.