确保没有溶剂在发动机尾喷管附近。 A: Make sure that solvents are not near the engine exhaust. B: Make sure that solvents are outside the engine exhaust. C: Make sure that solvents are not in close proximity to the engine exhaust. D: Do not leave solvents in the vicinity of the engine exhaust.

The four strokes in the engine are, in order of<br/>occurrence((_____)) A: intake, power, exhaust, and compression B: intake, power, compression, and exhaust C: intake, compression, power, and exhaust D: intake, exhaust, power, and compression

Which one implies the corect order of the four strokes? A: intake, exhaust, power, and compression B: intake, power, compression, and exhaust C: intake, power, exhaust, and comression D: intake, compression, power, and exhaust

A car uses a four-stroke engine. The four strokes are . A: intake, compression, ignition and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust

In an engine with air inlet valve and exhaust valve on its cylinder heads the fresh air will enter into the cylinder （） and the gases exhaust （）， there being an adequate overlap between the inlet opening and the exhaust closing.

A car uses a four-stroke engine. The four strokes are . A: intake, compression, power and exhaust B: injection, rotation, ignition and exhaust C: injection, carburetion, rotation and exhaust D: intake, rotation, injection and ignition

Smoke Exhaust and Ventilation System

The trip was really ____________ for her. (exhaust)

The fourth stroke is the exhaust stroke．

Exhaust fumes are a threat to the _____________ to the air we breathe.