Air body size (mm): 800 x 618 x 60 ± 3 Air surface size (mm): 800 x 600 Equivalent vibration frequency: 2.5Hz Vibration isolation method: Special diaphragm type air spring Vibration damping method: Air damping with orifices Level maintenance method: Manual type with hand pump Can be mounted重量:70kg 空气体重:32kg 顶板材料:钢板SPCC 配件:手动泵