单项选择题
Temporary Certificates of Inspection for offshore drilling units are effective until the （）.
A.Operations Manual is approved B.Minerals Management Service approval is issued C.classification society approval is issued D.permanent Certificate of Inspection is issued
单项选择题 Spontaneous ignition can result from（）.
单项选择题 Records of tests and inspections of a cargo vessel’s fire extinguishing systems shall be kept on board（）.
单项选择题 Port of Registry refers to the port where（）.
