基本解釋預(yù)拉力 預(yù)張力英漢例句雙語(yǔ)例句Finally the influence of pretension force to bolt fatigue life is studied and the method that extends the bolt life is proposed.并研究了螺栓預(yù)緊力對(duì)螺栓疲勞壽命的影響，提出了延長(zhǎng)螺栓壽命的方法。The principle of the hydraulic pretension is analyzed, the calculation of bolt elongation and pretightening force is also given.分析了液壓拉伸預(yù)緊的工作原理，并給出了螺栓伸長(zhǎng)量和預(yù)緊力的確定方法。The optimum design for pretensioned structures considering both the pretension force variables and the size variables was discussed.探討了以預(yù)張力和截面尺寸為設(shè)計(jì)變量的預(yù)張力結(jié)構(gòu)優(yōu)化設(shè)計(jì)問(wèn)題。pretension force更多例句詞組短語(yǔ)短語(yǔ)cable pretension force optimization 索力值優(yōu)化pretension force of winding ribbons 纏繞預(yù)拉力pretension force更多詞組專業(yè)釋義土木建筑工程預(yù)拉力