After renovation, production capacity of cuprammonia scrubber is raised above 20 %.改造后, 铜洗塔的生产能力提高20%以上.This article reports a method of preparation of metal - copper - powder with cuprammonia by directly chemical method...
They asked her to put together a dummy for a new magazine.他们让她为一本新杂志攒一份小样。The seamstresses cluck around a dummy, discussing a tuck here and there.这些女裁缝围着模特儿衣架叽叽嘎嘎地讨论衣服这里或那里要做的小改动。"You're a dummy, Mack," she yelled.“...