该手术要在角膜上做几个切口。The operation involves making several cuts in the cornea.在疾病后期,不透明的角膜可能产生溃疡,甚至穿孔.In advanced stages the opaque corneas may ulcerate and even perforate.光通过角膜进入眼睛.Light enters the eye through the cornea....
轴系中心定位块在那里.The center block for shafting alignment is over there.轴系连接螺栓和钻孔尺寸测量.Measuring dimension of shaft coupling bolts and reamer hole.机组增容改造后易发生轴系异常振动.Shafting abnormal vibration fault usually arises after the uprat...
This might be interpreted as a de facto recognition of the republic's independence.可以认为这实际上承认了该共和国的独立。Though his kingship was challenged, he continued to rule de facto.虽然他做国王的身分为人诟病, 但他仍大权在握.It was not a statutory c...
Summary : Verdi and Puccini are both the most prominent Italian opera composer.威尔第 和普契尼都是意大利最卓越的歌剧作曲家....a performance of Verdi's Requiem.威尔第的《安魂曲》演奏He especially liked music by Brahms, Verdi and Beethoven. He also ...