base shell

基本解釋

The same metal plating base and beige shell , red LED display even in dark environment but also give the user a very clear perspective .
同樣是采用金屬電鍍底座和米色外殼，紅色LED顯示即使在黑暗的環(huán)境中使用也能給使用者很清晰地視角。
The strain history achieved may provide a base in shell design and verify theoretical models and numerical simulations of tungsten alloy shell impacting and penetrating normally into concrete targets.
同時，實驗研究獲得的鎢合金殼體危險截面處應變—時間歷程曲線，既可以為殼體設計提供理論支撐，又為鎢合金殼體侵徹混凝土靶板的侵徹模型和數(shù)值仿真建立了驗證標準。
The manufacture characters of multi-layer wrapped shell whose inner shell base material is CrMo steel for ammonia synthetic tower of 3200mm are discussed.
論述了大型氨合成塔以鉻鉬鋼為內(nèi)筒的多層包扎筒體制造過程中的特點。

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