| xt 1pt; COLOR: #292929; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt; FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋體; mso-font-kerning: 1.0pt; mso-border-alt: none windowtext 0cm; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">6063型材即用風(fēng)冷淬火，把淬火后的鋁材放在時(shí)效爐內(nèi)時(shí)效一定時(shí)間，鋁材內(nèi)部結(jié)晶重新排列，機(jī)械強(qiáng)度明顯提高。在金屬所有合金中，唯獨(dú)只有鋁合金有時(shí)效狀態(tài)。 上一頁(yè) [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] |
