SOLAS regulations require that the inert gas system shall be capable of delivering inert gas with an oxygen content of not more than what percentage?（）<br>A:5%<br>B:8%<br>C:6%<br>D:3%

SOLAS regulations require that the inert gas system shall be capable of delivering inert gas with an oxygen content of not more than what percentage?（）
A:5%
B:8%
C:6%
D:3%

出自：海船船员证

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