短語詞組短語yield point load 屈服點載荷yield strength load factor 屈服力負載因數(shù)yield d load 屈服載荷yield during load -decreasing process 減載屈服YL yield load 屈服點負載yield point under load 負荷下的屈服點constant yield load leg 恒阻式立柱initial segment yield load 初始屈服載荷 返回 yield load