The reasonableness and limitation of the conception of piston-cylinder assembly element introduced here is discussed and a complete formula for the effective area of piston gage is presented.
讨论了引入的元活塞概念的近似性和合理性，给出活塞有效面积的完整计算公式。
The reasonableness and limitation of the conception of piston-cylinder assembly element introduced here is discussed and a complete formula for the effective area of piston gage is presented.
讨论了引入的元活塞概念的近似性和合理性，给出活塞有效面积的完整计算公式。
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