This technique takes advantage of the fact that sound travels faster through the salt than the surrounding soft sediments, such as in the USGulf Coast.
This essay, basis on ballast water management experience on a voyage from Europe to USGulf, inquire into some key points on ballast water exchange and report on vessel bound for USA.
此文以一次由西欧至美湾的压载水管理实例探讨了往美国船舶压载水更换和申报的一些要点。
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BP has already spent close to four billion dollars on clean-up costs and compensation claims and has promised to set up a 20-billion-dollar fund to pay victims of the disaster along the USGulf Coast.