His recent productions have been beautifully crafted works with little overt political content...他最近所创作的都是些精雕细琢的作品，少有鲜明的政治内容。We should learn to fight with enemy in an overt and covert way.我们应学会同敌人做公开和隐蔽的斗争。The tactics em...
The sige of the package in use determines the frequency of doffing.所用卷装的尺寸决定了落纱的次数.Obstruction in the movement of Aprons during doffing in modern cards.新型梳棉机在落卷时皮板输送带(或皮圈,围裙)运行受阻.During processing of corduroy moisture re...