cosmonautics 中文意思是什麼
cosmonautics
解釋
n. 名詞 宇（宙）航（行）學，航天學。-
It can be widely used in the petroleum, chemical, machinery - building, cosmonautics and motors industries
它具有較強的耐化學腐蝕性能，較高的機械強度，耐磨性好，耐高溫，自潤滑性好。 -
With the soaring development in cosmonautics, aeronautics, telecommunication, development of new lighting and alloy material, there are tremendous demands of gallium in both domestic and international market
隨著航天、航空、通訊、照明新材料、合金新材料等高科技技術的迅猛發展，國內外市場對金屬鎵這一稀有金屬的需求將會迅速增加。
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