During counterflooding to correct a severe list aggravated by an off-center load，your vessel suddenly takes a list or trim to the opposite side. You should（）. ["continue counterflooding in the same direction","continue counterflooding，but in the opposite direction","immediately stop counterflooding","deballast from the low side"] 听证主持人由1-3人担任，案件调查人员不得担任听证主持人。（） 如何获取就业信息？ 企业对整个市场进行细分，针对各个不同的细分市场开展不同的营销活动，此称为（）战略。 ["A.无差异营销","B.差异营销","C.集中营销","D.密集营销"] 安全阀的阀瓣达到规定开启高度时的压力称为（）。 ["整定压力","回座压力","排放压力","大气压力"] 大型IDC机房都安装有气体灭火系统，下列气体灭火系统中，环保性能最好的是（）。