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cartridge case
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cartridge case
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cartridge case
弹壳
枪弹的重要组成部分,作为枪弹的骨架,弹壳用以连接弹头、底火和盛装发射药,从而组成一个完整的枪弹整体。
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spherical representation
spherical resonator
spherical right triangle
spherical ring
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spherical segment of one base
spherical sheaf of circles
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spherical strain tensor
spherical stress tensor
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