问题
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Diesel engine exhaust noise can be reduced in an exhaust muffler by ___.
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An internal bypass is provided on some hydraulic system suction strainers to help reduce the possibility of _____.
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The purpose of an after-cooler is to_____.A.reduce the turbocharger operating temperatureB
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How can I reduce my risk the virus in an affected area?A、to catchB、of catchingC、as to
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The primary duty of lube oil is to reduce _____ between the working parts of an engine.A.p
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An excellent running shoes can reduce chances to