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。

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

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液体控制——丹佛斯直接操作的螺线管阀存在于大范围的原料层和性能层。

Fluid controls - Danfoss 'direct operated, servo operated and assisted lift solenoid valves are available in a range of materials and performance levels.

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