Put a door in the side of the ark and make lower, middle and upper decks.
方舟的门要开在旁边。方舟要分上，中，下三层。
An unlocking door is arranged on the side wall of the upper chamber and the lower chamber is fully filled with heat absorbing and preservation materials.
上腔室的侧壁上设置有开启门；下腔室内充填满吸热保温材料。
An unlocking door is arranged on the side wall of the upper chamber and the lower chamber is fully filled with heat absorbing and preservation materials.
上腔室的侧壁上设置有开启门；下腔室内充填满吸热保温材料。
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