Chapter 1
Pneumatic Actuator 气动驱动
Compressed Air 压缩空气
Cushion 垫子，缓冲器
Cylinder 气缸
Control Valve 控制阀
Displacement Sensor 位移探测器
Hydraulic 液压
Mount 安装
Overload 超负荷



Chapter 2.1
Gauge Pressure 表压
Absolute Pressure 绝对压强
Pneuma 呼吸或风（希腊语）
Boyle-Mariotte's Law At constant temperature,the volume of a given mass of gas is inversely proportional to the absolute pressure
在恒温下，已知气体的体积和绝对压强成反比 (P1V1=P2V2=Constant)