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。
2.
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