The crankcase ventilation system carries fresh air through the crankcase. 曲軸箱通風系統要攜帶新鮮的空氣通過曲軸箱。
The crankcaseventilation system, using a road-draft tube, vented the crankcase vapors and blow-by gas into the atmosphere. 採用行車抽吸管的曲軸箱通風系統,給曲軸箱內的蒸氣和竄漏氣體排入大氣提供了出口。