In that year, two momentous discoveries were made.那一年，有两个重大发现。I am deeply honoured to be invited to this momentous occasion.能应邀出席如此重要的场合,我深感荣幸.The momentous news was that war had begun.重大的新闻是战争已经开始....
梭子是从梭口的上下两层经纱之间穿过.The shuttle passes over the lowered ends shedunder the raised ends.在该系统中, 经纱被送入织机.In this system, the warp yarns are fed to the loom.经纱应该强度高 、 弹性好 、 伸长率高,而且表面光滑.A warp yarn should be strong, elastic, ex...