一些最高档的酒杯是用铅晶质玻璃制成的。Some of the finest drinking glasses are made from lead crystal.他参与了石油、锌和铅的勘探。He was involved in oil, zinc and lead prospecting.无铅汽油每加仑涨了1分多。Unleaded gasoline rose more than a penny a gallon....
By judicious management and improvement, it might be made to pay more.只要经营得当,并加以改进, 可能还会多赚一些.Especially in dairy production, a judicious use of concentrates will pay dividends.尤其是在牛奶生产中, 审慎使用精饲料将是有利的.We should listen to ...
At last, it realizes the measuring process autoimmunization.同时, 实现了工作过程的自动化.As science and technology progresses, modern industry is developing towards large - scale, high - speed , continuum and autoimmunization.随着科学技术的...