在作功冲程期间,气门的位置都是关闭的.The position of the valves during the power stroke are both closed.动力冲程的后段是绝热膨胀过程.The remainder of the power stroke is an adiabatic expansion.当排气冲程开始时, 气缸被向上运动着的活塞刮掠.When the exhaust stroke starts, the...
材料: 橡皮圈, 厚纸皮, 双面胶纸.Materials: A rubber band, thick paper, double side adhesive tape.按要求拆除喷油槽周围的纸皮, 改用铁皮.Injection groove by the removal of the surrounding tiles, switch cupboard.多数书店出售有精装和纸皮 普及本 两种书籍.Most bookstores stoc...
他缓过劲儿来，骑马逃离了追赶他的人。Finding a second wind, he rode away from his pursuers.附近的店主在那个男人后面追赶并把他抓住了。Neighbouring shopkeepers ran after the man and caught him.他假装要去追赶一边往回跑一边大笑的戴维。He made to chase Davey, who ran back laughing....