新购买的或大修后的拖拉机怎样进行验收？
芳香甜型葡萄原酒的发酵特点.
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"]
MTU12V183TA12型柴油机进排气门间隙是（）。 ["0.30mm，0.35mm","0.36mm，0.69mm","0.40mm，0.60m","0.30mm，0.45mm"]
水龙头提环直径磨损达到（）MM，必须立即更换。
低温双边发酵的优点.
