A metering tank is an elementary method of measuring volume flow.量筒是测定容积流量的基本方法之一.Practical flow - metering devices have become available commercially.实用的流量测量装置已在工业上使用.A nearly constant air - fuel ratio is maintained by ...
High officials have long enjoyed the practice of hobnobbing with newspapermen.高级官员向来就喜欢和新闻记者交谈.Some newspapermen respected too many sacred cows.有些新闻记者对太多的事情碰都不敢碰。He whispered my name to newspapermen, know-ing that it wou...