Additional, in "MARPOL Reg 12a" the demand of Double HullProtection for fuel oil tank, increases the difficulty of structure design for engine room.
加之MARPOL 12 A条款要求对燃油舱设置双壳保护,给机舱的结构设计增加了难度。
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The MoD said that the design of the vehicle hull incorporated many of the latest armour-protection features and is considered to be among the best in the world.
In order to obtain an objective evaluation of the tank's armor protection, it was decided to subject to shell fire the hull and turret of the captured vehicle with turret number 502.