In the four-stroke engine, it takes( )to make one
power stroke()
A: one propulsion
B: two propulsions.
C: two revolutions
D: one revolution
power stroke()
A: one propulsion
B: two propulsions.
C: two revolutions
D: one revolution
举一反三
- In the four-stroke engine， it takes （） to make one power stroke. A: one propulsion B: two propulsions C: two revolutions D: one revolutio
- With four-stroke engines， it takes four revolutions of the crank shaft to make （） power stroke(s).
- In the four-stroke engine， it takes （） to make one power stroke.
- Four strokes—intake stroke, compression stroke, power stroke and exhaust stroke—complete one working cycle．
- 纽约步的节拍是（ ） 。 A: two and three and four one B: one two three four and one C: one two three four D: two and three four one