A high temperature alarm or （） which will melt is used to guard against the explosion of compressor air pipelines.<br>A:a flame trap<br>B:a relief valve<br>C:a fusible plug<br>D:a bursting cap

A high temperature alarm or （） which will melt is used to guard against the explosion of compressor air pipelines.
A:a flame trap
B:a relief valve
C:a fusible plug
D:a bursting cap

出自：海船船员证

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