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[问答题,简答题] 新购买的或大修后的拖拉机怎样进行验收?

接地棒在地中的插入深度不小于()。 ["0.4m","0.5m","0.6m","1.0m"] 井塌的发生一般是由于()不能平衡()或不能平衡()所造成。 单相全波整流输出的电压平均值为整流变压器二次电压有效值的()。 ["0.45倍","0.707倍","0.9倍","1倍"] 康明斯KTA-l9G2型柴油机进排气门间隙分别是()。 ["0.36mm,0.69mm","0.69mm,0.36mm","0.36mm,0.72mm","0.72mm,0.36mm"] MTU8V396TCl3型柴油机进排气门间隙是()。 ["0.30mm,0.35mm","0.3mm,0.45mm","0.36mm,0.69mm","0.40mm,0.60mm"] 新购买的或大修后的拖拉机怎样进行验收?
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