The silicon carbide fiber and polycarbosilane fiber developed in 1990 have come up to advanced world standard. They promise wide application in astronautic field sand national economy.
英
美
释义
1990年研制成功并达到国际先进水平的连续碳化硅纤维和聚碳硅烷纤维,在宇航和国民经济中有着广泛的应用前景。
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载