... extrusion 挤压 extrution casting 挤压铸造 eye joint 铰链连接 ...
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The effect of different technology including casting and extrution on the combustion performance of smokeless modified double-base propellant with ACP was studied.
研究了不同工艺对含ACP无烟改性双基推进剂燃烧性能的影响。
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