脑子想想，电磁弹射，直流电还是交流电产生强大的电磁场？当然是交流电。用直流电只是因为它稳定、简单

来源: victor1988 于 2025-09-25 11:20:55 [旧帖] [给我悄悄话] 本文已被阅读：次

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