“預拉”造句
2024年06月25日 06:23:48
預先裝配的平行鋼絲索與結構鋼纜相比, 不需要
預拉.
Preassembled parallel wire strands, in contrast to structural strands, do not require prestretching.
分析了7075-T651合金厚板
預拉伸斷裂的原因.
The crack causes for pre - stretching plates of 7075 T 651 alloy are analysed.
研究了時效前的
預拉伸對耐熱Al -5.3Cu-0.8Mg-0.3Ag 合金時效過程和拉伸性能影響.
The effect of prestretching on age ? hardening and tensile properties of Al ? 5.3 Cu ? 0.8 Mg? 0.3 Ag alloy was investigated.