Similar cyclic stresses may have occurred due to wind-induced swaying motion during storage.

 
  • 同樣在存放時(shí)由風(fēng)力引起的橫向擺動(dòng)也可以產(chǎn)生類(lèi)似的循環(huán)應力。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan