Sunday, September 11, 2022
Sunday, September 11, 2022
Friday, September 30, 2022
问题:如果救生艇进入油火区或有毒气体的包围之中,操作者应迅速打开()的主控阀。...
Thursday, November 3, 2022
问题:钢丝绳表面磨损或腐蚀使原钢丝绳的名义直径减少5%时,即使不断也应...
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:手提灭火器扑灭固体物火灾时,要将灭火剂(),()逐次扑灭。...
Sunday, September 11, 2022
问题:当船舶由于装卸等原因造成首尾吃水差不当,重心过高,纵横倾等可通过...
Sunday, September 11, 2022
问题:在单点系泊装置中,锚链与浮筒之间用固定接头连接;锚链与海底基座之...
Friday, September 16, 2022
Thursday, November 3, 2022
Friday, September 16, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
Sunday, September 11, 2022
问题:在渤海沿岸平均潮差以渤海湾湾顶端最大,辽东湾顶端次之,由于地形等因素的影响一般平均潮差从湾口往湾里愈来愈大。...
Thursday, January 25, 2024
问题:具有价廉、防锈、防腐、耐水、耐酸碱,但不耐日晒特点的涂料是:()。A、银粉漆B、沥青漆C、油舱漆D、防污漆...
Tuesday, March 14, 2023
问题:每次接飞机,飞机起落时,监护现场()。A、应开消防炮以防失火B、应根据情况作好准备打开消防炮C、提前打开消防炮,以防忙乱...
Thursday, November 3, 2022
问题:洗舱时为防止发生()爆炸事故,必须使用惰性气体,使舱内气体成分始...
Sunday, September 11, 2022
问题:无论是天然吸油材料还是人工合成吸油材料都具有一定的孔隙度、孔容和...
Sunday, September 11, 2022