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單項(xiàng)選擇題

Modem engines make use of exhaust gas driven turbo-chargers to supply pressurized fresh air for （） and supercharging.

A.scavenging
B.starting
C.cooling
D.blowing

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單項(xiàng)選擇題

Modem engines （） exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.

A.make use of
B.have made the use of
C.by means of
D.make advantage of

單項(xiàng)選擇題

Modern engines （） exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.

A.are made of
B.are made from
C.make use of
D.are used to

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