shift upʃiftʌp短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 vt.加速 Automatic transmission shift up and down through the joint and with drawing of the unite components, so the shift process is actually the process jointing and withdrawing of the unite components. 自动变速器是用液压操纵的摩擦结合元件的接合和分离来实现换档的,换档过程实际上是离合器分离和接合状态交替转换的过程。 fabiao