使用举升机时可以托住车辆任何位置。
A. 对
B. 错
举升机在使用过程中什么车都可以举升,不用考虑车辆重量问题。
A. 对
B. 错
1. The media play a major _______in influencing people's opinions.2. The south of the country was worst_______ by the drought (干旱).3.One day ______ reality will greatly change the entertainment industry.4.Both countries will _______ their military forces from the region.5.He is now fighting his _______ to alcohol.
水准仪粗平是通过转动( ),使圆水准气泡严格居中来达到目的
A. 微倾螺旋
B. 脚螺旋
C. 制动螺旋
D. 微动螺旋