Brass, copper, stainless steel, bismuth, and lead are all suitable.黄铜 、 铜 、 不锈钢 、 铋及铅都是适合的.Tin - bismuth alloy was electroplating by electrodepositing associated with ultrasonic agitation.将超声和电沉积相结合电镀了锡铋合金.Aim To study t...
For his dedication the Mayor awarded him a medal of merit.为表彰他的奉献精神，市长授予他荣誉奖章。"It's of no great literary merit," he said, almost apologetically.“它没多大的文学价值，”他近乎愧疚地说道。Your feature has the merit of simply stating what ...
The geodesic meshed cable - net structure was used to support reflector of the Five - hundred - meter Telescope ( FAST ).采用整体索网作为大射电望远镜 ( FAST )反射面的支承结构,网格划分形式为短程 线型....the alignment of mirrors in the telescope.校正望远镜中的镜片...
祥子看着地上的铺盖卷.Xiangzi looked at his bedding on the floor.他走到他的铺盖卷,拿出一打书写纸.He went over to his roll of bedding and drew out a writing pad.她背上背着铺盖卷,怀中抱着婴儿.Then , their bedding on her back and the baby in her arms, she led the...
Trichophyton mentagrophytes activity of three different bast fibers - hemp, flax and ramie fibers.本文以汉麻韧皮和亚麻织物为原料,在不同的活化条件下制备出活性炭纤维样品.He is very hard - working and always does his bast.他很努力,总是尽自己最大的力量.What is attached is...