A combined acid cleaning technique of alkaline and acid cleaning with oxidizability was developed in the proress of trial-produrtion of armour-piercing shell body.
介绍穿甲弹体
化性碱
化性酸相结合的酸新工艺。
化性A combined acid cleaning technique of alkaline and acid cleaning with oxidizability was developed in the proress of trial-produrtion of armour-piercing shell body.
介绍穿甲弹体化性碱化性酸相结合的酸新工艺。
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