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 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 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.
应用推荐