The cargo oil tanker area has continuous double bottoms and side cabins to protect.
货油舱区域有连续的双层底和边舱保护。
Double hulls or double bottoms have been required in all passenger ships for decades as part of the Safety of Life At Sea or SOLAS Convention.
双底双壳，或已在所有的客运船舶所需的几十年的一部分海上人命安全公约或国际海上人命安全。
Double bottoms draw their predictive power from the trends that precede them. As a series of lower lows print on a bar chart, downtrends often accelerate.
双底形态预示着未来的强大动力：当一系列的低点出现后，下降趋势有所加速。
Pyramids should be started after double or triple bottoms.
在双底或3重底的底部以后开始金字塔加码。
Pyramids should be started after double or triple bottoms.
在双底或3重底的底部以后开始金字塔加码。
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