BE012当夹套管法兰公称直径100mm ["1.5mm","0.3mm","0.6mm","0.8mm"]
从事非拖网作业的船舶在航不对水移动在雾中应鸣放的声号是：（）. ["一长声","两长声","一长两短声","五短声"]
地下防水工程平立面卷材的搭接不小于（）。 ["15cm","20cm","30cm","60cm"]
雾中用曳绳捕鱼的机动渔船，对水移动时，每2分钟应鸣放：（）. ["一长声","两长声","一长两短声","一长三短声"]
BE011夹套管加工完毕后，套管部分应按设计压力的（）倍进行试验。 ["1.15","1.25","1.5","1.05"]
使用同一油罐车运送汽、柴油会对油品质量产生哪些影响？
