The balanced pressure duplex phosphor bronze diaphragm is a highly sensitive modulating unit thermally programmed to provide accurate steam conserving operation.
平衡压力双磷青铜隔膜是一种热程序高敏感性调节装置，具有精确的蒸汽保存功能。
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A green phosphor display is generally used as the human eye is most sensitive to the color green in this wave length, which falls in the middle of the visible light spectrum.