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...
When I started the engine it sparked, fizzed and went dead.我刚发动引擎时，引擎冒出火星，发出长长的嘶声，然后就熄火了。After a while their mother was back, holding a tray of glasses that fizzed.过了一会儿他们的母亲回来了，用托盘端着一杯杯嘶嘶冒泡的饮料。...
由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime.地衣是一类独特的生物有机体,其体内合成了多种特殊的次生代谢产物,主要为缩酚酸、缩酚酸环醚 、 缩酚酮、二苯并呋喃等类化合物.A l...
"Hypocrite," he sneered.“伪君子，”他不屑地说。It's very discouraging to be sneered at all the time.成天受嘲讽是很令人泄气的.Arty sneered at the crowd of eager faces around him.阿蒂对他身边那些期盼的面孔嗤之以鼻。Arty sneered at the crowd of eager faces ar...