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[国外标准] BS 3G 230 Specification for general requirements for aircraft electrical cables (sencond series)

P:2025-09-28 15:31:32

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Zisium - 兹西合金(一种高强度铝合金商品名,含Zn 15%,Cu 1%-3%,Sn O~1%,Al 82%-83%) (0) 投诉

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