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单选题
135、0the configurations include an in-line flow indicator which changes color to green in the presence of oxygen.
A
The present oxygen indicator comes on green due to an in-line flow in the other configurations.
B
An in-line flow indicator is embodied in other configurations. If there is oxygen, the color of the indicator becomes green.
C
The oxygen is dyed green in other configurations that include an in-line flow indicator.
答案解析
正确答案：B
解析：
解析:注释: include=embodied 包含。change=become 改变,变成;comes on 呈现;dyed 染成。
相关知识点：
配置含流量氧显变色装置
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