【判断题】【消耗次数：1】
车身校正时，拨拉力的方向与碰撞力的方向相同。（）
①
正确
②
错误
参考答案：
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相关题目
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进行移液管和容量瓶的相对校正时那项正确( )
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移液管和容量瓶的内壁都必须绝对干燥
②
移液管和容量瓶的内壁都不必干燥
③
容量瓶的内壁必须绝对干燥
④
移液管内壁必须干燥
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运动方程式中转矩的符号规定：先规定某一转速n 的方向为正方向，电磁转矩Tem的方向与此方向相同则为正，反之为负；负载转矩TL的方向与此方向相反则为负，相同为正。
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正确
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错误
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