Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the（）.<br>A:MSA<br>B:CCS<br>C:CCIQ<br>D:local port authority

Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the（）.
A:MSA
B:CCS
C:CCIQ
D:local port authority

出自：海船船员证

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