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...
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...