Compared to single piston cylinder, it features fast action and flexibility, specially used when large thrust force or tensile force is required within short time.
介绍了双活塞液压缸的研制及应用，与单活塞液压缸相比，它具有动作快速、灵活等优点，特别适合在需要快速提供强大推力或拉力的场合。
Precise conversion of force to pressure requires the force to act vertically and centred on the piston which must not be exposed to any other forces of thrust or traction.
从压力到压强的精确转换要求力垂直集中作用在活塞上。同时活塞也不能受到的拉力或压力。
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