下列插图是一些常见的杠杆和压铁位置.Illustrated below are some commonly accepted positions of the lever and weight.安装杠杆和压铁有助于阀瓣的关闭.Lever and weight mounted to assist the disc in closing.配置杠杆和压铁是为了在外部控制阀瓣运动.The lever and weight arrangement...
The trains and subways in Tokyo serve thousands of commuters everday.东京的火车和地铁每天都接送成千上万的人上下班.Subways are really crowded at rush hour.高峰时刻,地铁一定很拥挤吧.The city subways carry hundreds of thousands of passengers a day.市内的地下铁每天运...
I have hitchhiked in 1928 - model jalopies, ridden in fuming buses and rettling milk trains.我搭便车旅行的时候搭乘过一九二八年型的老爷车 、 冒烟的公共汽车以及嘎嘎作响的运牛奶火车.He was still fuming over the remark...他还在为那句话生气。She sat in the car, silently fuming...