片语
Ratio invariableness比值恒定
topological invariableness property拓扑不变性质
invariableness strain power恒拉紧力
cutting with invariableness cutting force恒力切削
immovability不变;不动
unchangeableness不变
Tensility Invariableness压力恒定
pressure invariableness压力恒定
water pressure invariableness水压恒定
invariableness flowrate system变流量系统
Presume Invariableness定力