A探头的颜色变为绿色。
B指示器的颜色变为绿色。
C显示器的颜色变为绿色。
The color of the indicator changes to green.
urations include an in- line flow indicator which changes color to green in the presence of oxygen.
The color _____ from yellow through green to black.
To install the indicator, tilt it rearward.
The RMI does not embody the function of _______ indicator.
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