Ball - type automatic balancers are employed widely in optical disk drive industry.目前在光碟机减振上应用最广泛的装置之一为滚珠型自动平衡装置.While hardware balancers may outperform software - based balancers, their flexibility is always limited.虽然硬...
He's offered to stop off in Rome and Siena first.他曾主动表示可以先在罗马或锡耶纳停留一下.Siena's main piazza was one of the sights of Italy.锡耶纳的主要广场是意大利的名胜之一.A black cloudburst was drenching Siena at midday.中午,一场天昏地暗的暴风雨在锡耶纳上空倒下来...