For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.<br>A:empty<br>B:fully ballasted<br>C:partially ballasted<br>D:sealed

For optimum stability during jacking operations，mat ballast tanks or spud cans should be（）.
A:empty
B:fully ballasted
C:partially ballasted
D:sealed

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:【10252937】个 (题库试题定时更新)