The gear train can change speed and direction.
A: 正确
B: 错误
A: 正确
B: 错误
举一反三
- 智慧职教: Match these terms with their Chinese translations（匹配）. gear train driver gear driven gear spur gear gear ratio compound gear train idler gear
- Main gear trucks are steerable, providing directional control in conjunction with the nose gear in sharp turns during low speed taxiing and towing. A: 正确 B: 错误
- The spur geared mooring winches have advantages over worm geared ones in . A.higher efficiency of the gear train while reversing B.the higher gear ratio C.the multi-start feature D.higher recovering speed
- Variable Speed Training training method can be used to improve the______ , to develop strength, speed and endurance, and to train the athlete's ability to ______ more flexibly
- A clear goal can not set the tone for the meeting and determine its direction. A: 正确 B: 错误