AccordingtoMARPOL73/78，Toenablepipesofreceptionfacilitiestobeconnectedwiththeship’sdischargepipelineforresiduesfrommachinerybilgesandfromoilresidue（sludge）tanks，bothlinesshallbefittedwithastandarddischargeconnectionthequantityoftheBoltsandnutsforthestandarddischargeconnectionis（）.
- A、5
- B、4
- C、6
- D、8
正确答案:C
答案解析:有
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