以下为句子列表：
英文: All internals have been selected for their anti-corrosion properties; include chromium plated mild steel, brass and stainless steel parts.
中文: 所有内部零件均以防蚀性质参考选用，包括镀铬钢、黄铜与不?袗?零件。
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英文: In order to reveal the relation between the fabrication process and erosion life of chromium plated gun barrel used in model products, the eroded gun barrel with four different fabrication processes have been examined.
中文: 摘要为分析某型号机枪枪管的延寿机理，对4种不同工艺制备的镀铬枪管进行了寿命射击实验。
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