Considering the requirements of riser strength, system collapse, propagated buckling and limitation of floating, the smallest thickness that meets the requirements is determined.
综合考虑规范对立管强度的要求，防止发生压溃和屈曲扩展的要求及限制立管发生漂浮的要求三个条件，确定了满足条件的最小壁厚。
Since Bretton Woods System collapse 1973, in order to stabilize exchange-rate, western countries have intervened in the foreign exchange markets in various degree.
1973年布雷顿森林体系崩溃之后，西方各国都不同程度的对本国的外汇市场进行干预以稳定汇率。
Since Bretton Woods System collapse 1973, in order to stabilize exchange-rate, western countries have intervened in the foreign exchange markets in various degree.
1973年布雷顿森林体系崩溃之后，西方各国都不同程度的对本国的外汇市场进行干预以稳定汇率。
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