A-A+ However where immediate action is necessary to ensure safety of the ship its machinery a.. 2020-09-18 20:33:01 资格考试 阅读 问题详情 A.safetyB.the ship, its machinery and crewC.immediate actionD.the engineer in charge请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答