I dismounted and began to push my bicycle up the hill.我从自行车下来,开始推着上坡.The first stage is push pull forward converter second stage is a dual buck inverter ( DBI ).该静止变流器前级采用推挽正 激式 变换器,后级采用双降压式逆变器.He tried to push the amend...
鲍勃·威尔逊是南方人,来自得克萨斯州。Bob Wilson is a Southerner, from Texas.南方人比较喜欢吃米饭,北方人爱吃面食.The southerners prefer rice and the northerners prefer food made from flour.他的口音表明他是南方人.His accent proclaimed that he was a southerner....