下列说法中，不属于酸岩复相反应过程的是（） ["酸液中的H+<\/sup>传递到碳酸盐岩表面","H+<\/sup>在岩面与碳酸盐进行反应","反应生成物Ca2+<\/sup>、Mg2+<\/sup>和CO2<\/sub>气泡离开岩面","反应生成物堆积在岩石表面"]
什么是多聚体―陷阱模型？
焊完后焊缝应立即去除渣皮、飞溅物，清理干净焊缝表面，然后进行（）。
点焊必须焊透；点焊处有裂纹、气孔、夹渣缺陷时应铲除重焊，必须在（）合格后方可全面施焊。
A Certificate of Financial Responsibility attests that the vessel（）. ["has financial backing to meet any liability resulting from the discharge of oil","has the minimum required amount of P & I and hull insurance","will assume the responsibility for any damage or loss to the shipper","has financial reserves to meet reasonable expected crew costs of an intended voyage"]
什么是个人礼仪？
