新型梳棉机在落卷时皮板输送带(或皮圈,围裙)运行受阻.Obstruction in the movement of Aprons during doffing in modern cards.并研究了两种不同的鞣制方法对皮板组织结构的影响.The effect of different tannage on structure of sheep skin was also studied....
He blackens his opponents by giving them names.他用起各种外号来诽谤他的对手.Soot makes smoke dark and blackens walls.烟灰使得烟成黑色,并熏黑了墙壁.Dahlia: Fire doesn't cleanse, it blackens!达丽雅: 火不能净化, 只能玷污....
为了答谢热情的掌声, 那个声乐家再唱一曲.In appreciation of the enthusiastic applause, vocalist sang an encore.林俊卿是位出色地医生 、 嗓音专家、声乐家.Lin Junqing is an excellent doctor, voice experts and vocalist.史密斯先生是位优秀的声乐家.Mr. Smith is an excellent voca...