Before entering a fuel tank that has been cleaned
Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an ____.
A.Orsat apparatus
B.flame safety lamp
C.Halide torch
D.combustible gas indicator
请帮忙给出正确答案和分析，谢谢！
参考解答
41j***779
2024-06-14 16:19:11
正确答案：D
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