【判断题】调整使用中的传动皮带松紧度时,调整值的大小取决于皮带的使用程度。( )(I)
【简答题】阅读理解。 Mr. Smith gave his wife money every Friday evening. His wife always spent it all on the clothes before the next Wednesday, so that for the next three days she had no money to spend at all. One d...
【判断题】老年人司机每人发生的交通事故数少于65岁以下司机
【判断题】调整使用中的传动皮带松紧度时,调整值的大小取决于皮带的使用程度。
【判断题】老年司机每人发生的交通事故数少于 65 岁以下司机。