短語(yǔ)詞組短語(yǔ)load -elongation 負(fù)荷constant load elongation 恒載伸長(zhǎng);恒載伸長(zhǎng)英語(yǔ)load duration curve elongation 負(fù)載伸長(zhǎng)率load at specified elongation 定伸長(zhǎng)負(fù)荷load at certain elongation 定伸長(zhǎng)負(fù)荷 返回 load elongation