短語詞組短語Presume Invariableness 定力Tensility Invariableness 壓力恒定Ratio invariableness 比值恒定pressure invariableness 壓力恒定invariableness strain power 恒拉緊力topological invariableness property 拓?fù)洳蛔冃再|(zhì)water pressure invariableness 水壓恒定invariableness flowrate system 變流量系統(tǒng)cutting with invariableness cutting force 恒力切削 返回 invariableness