单项选择题
The Chief Mate must ascertain that the deck loads are stowed in such a manner as().
A.not to affect the draught trim B.not to affect the cargo ventilation C.not to affect the free surface D.not to affect the vessel's stability
单项选择题 在破产立法上,我国对破产界限的规定方式采取()
单项选择题 新产品开发策略不包括()。
问答题 什么是双手操作式安全装置的安全距离?