地下防水外防外贴临时性保护墙如铺两层卷材,其高度为()。 ["30cm","45cm","50cm","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"]
BE011夹套管的封闭段应留有()调整余量。 ["100~200mm","100、150mm","40~80mm","50~100mm"]
长度小于12米的船舶在雾中航行,则:(). ["不必鸣放任何声号","应以每次不超过2分钟的间隔鸣放其他有效声号","必须鸣放笛号","必须鸣放锣号"]
简要列举销售公司对外采车用汽油追加检测的指标及指标具体要求。