隔膜，用气压或液压操作的活门机构中的柔性部件。
DIAPHRAGM, A flexible part for operating a valve mechanism by pressure.
此类阀门利用气压和弹簧压力操作。
These valves use air pressure and spring pressure to operate.
采用气压张力，分切利速，结构合理，操作简单。
Use pneumatic tension, fast cutting, reasonable structure, and easy to operate.
采用气压动作，并以电控制操作灵敏简单。
Pneumatic movement and electric control make the machine sensitive and easy to operate.
采用气压动作，并以电控制操作灵敏简单。
Pneumatic movement and electric control make the machine sensitive and easy to operate.
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