Before counterflooding to correct a list，you must be sure the list is due to（）.
A:negative GM
B:flooding
C:off-center weight
D:reserve buoyancy
出自：海船船员证

提示：
同一【IP】的非会员用户每天可免费获取10次答案

收藏本站【zk.995w.com】，下次访问不迷路

本站试题总数:【10244552】个 (题库试题定时更新)