膨胀能力 meaning in Chinese

expandability
expansion ability
swelling capacity
swelling power

The expansion tank must have a minimum capacity of 1 . 5 u . s . gallons for every 50 gallons of stored water
这种膨胀罐必须具有50加仑贮存水最小1 . 5加仑膨胀能力。
Testing of leather ; ball compression test for determination of grain expansion capacity and the force of fracture with the lastometer
皮革检验.用lastometer测定粒度膨胀能力和断裂力的球