Air Operated - Uses auxiliary compressed air or water source to shift valve, rather than a solenoid operator.

气动—使用辅助压缩空气或水的来源转变阀，而不是一个螺线管操作。

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Safety relief valve is used to protect the machine and operator shall not be adjusted.

溢流阀是用来保护机器和操作人员的安全的，不得任意调整。

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Air Operated - Uses auxiliary compressed air or water pressure to shift valve, rather than a solenoid operator. ASCO offers a choice of 3 pneumatic operator pressure ratings.

气动—使用辅助压缩空气或水压力转换阀，而不是一个螺线管操作。会议提供了一个选择3个气动操作压力等级。

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We've known that game company and Steam operator Valve Software was going to offer prototypes of its hardware to Steam users for some time, but company head Gabe Newell says those prototypes will start arriving in the next three to four months time.

ENGADGET

We've known that game company and Steam operator Valve Software was going to offer prototypes of its hardware to Steam users for some time, but company head Gabe Newell niw says that those prototypes will start arriving in the next three to four months time.

ENGADGET