以下为句子列表：
英文: So the pressure signal of control air holds the single-acting cylinder at the stop position through the pipe named “SUPPLY”, the 3-way valve (pos. no. 22, upper frame), the double check valve(pos. no. 72-1) and the quick release valve (pos. no. 41, right
中文: 因此控制空气的压力信号保持单作用气缸在停止位置通过管路SUPPLY，三通阀22，上位，双向止回阀72-1和快速泄放阀41，右位。
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