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...
闪电在货车周围炸开时，情景异常壮观。It was unbelievably dramatic as lightning crackled all round the van.突然一道闪电划破长空。Suddenly a bolt of lightning crackled through the sky.闪电燃着了几栋大楼。Lightning set several buildings on fire....
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...