单项选择题
A.scavenging B.starting C.cooling D.blowing
Modem engines （） exhaust gas driven turbo-chargers to s...
单项选择题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
Modern engines （） exhaust gas driven turbo-chargers to ...
单项选择题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
Measure （） by means of lead wire.A.the clearance of the...
单项选择题Measure （） by means of lead wire.
A.the clearance of the main bearing B.the diameter of main bearing C.the hardness of main bearing D.the tolerance of main bearing
