0 the pipe at the back of a vehicle or on a machine through which waste gas escapes from the engine -- （車輛）排氣管
Then they were piled into the vans; the door was sealed; the exhaust pipe was fitted to the bottom of the van; and the motor was turned out.
The evidence suggests that the position of the exhaust pipe has no significant effect on the concentration of exhaust gases inhaled by pedestrians.
The most practical position for an exhaust pipe outlet seems to be low down on the offside of the vehicle and pointing to the rear.
That would mean, if carried to its full extent, that there would be copyright for 50 years or more in an exhaust pipe.
All that he was asked was whether he knew the difference between the back axle of his car and the exhaust pipe.
Therefore, on balance, it is better to have the exhaust pipe for diesel fumes lower down than higher up.
A straight through exhaust pipe of course creates great efficiency but it also creates unused hydrocarbons.
It is the secondary pollutants which come out at the end of the exhaust pipe.
