A: one wheel
B: two wheels
C: three wheels
D: four wheels
举一反三
- The plane succeeded in carrying the boy on board with ______ in the air. A: one wheel B: two wheels C: three wheels D: four wheels
- A _______ is a cycle with three wheels, two at the back and one at the front or sometimes otherwise
- Which of the following is one of the three wheels moved on Grain Buds?
- If only the two of the wheels lose their brakes, the other two wheels will still be able to stop the car．
- A set of are installed to control the speed and direction of the vehicle. A: wheels B: gears C: gea D: wheel
内容
- 0
The combinationof an axle and two wheels isthe componentwhich is fixedinto the bogie.
- 1
What did “being on wheels” mean in the past?In the past “being on wheels” means _________________.
- 2
the part between the wheels on a car/the part which holds the wheel A: crane B: spare part C: axle D: laser
- 3
What are the tenet and objectives of APEC? What do its two wheels mean?
- 4
The prismatic transmission shaft is shown in the figure. Wheels B and D are driving wheels and wheels A, C ,E are driven wheels. If the input powers on driving wheels B and D are equal, the output powers on driven wheels A, C and E are equal too, and if only torsional deformation is considered and bending deformation is not considered, the position of dangerous section is ( ).[img=385x158]1803a368564fb94.png[/img] A: Only in segment AB; B: In segment BC; C: In segment CD; D: In segment AB and segment DE.