45岁的大卫·琼斯是一名专业木匠，从今年5月起，琼斯把自己锁在一间20平米(5米长4米宽)的房间内，与2条黑曼巴蛇、2条绿曼巴蛇、7条非洲树蛇、27条扁头腹蛇和3条眼镜蛇"同吃同住，朝夕相处"。
45-year-old David Jones, a professional carpenter, has lived, slept and eaten in the 5m x 4m sealed room since May, with 2 black mambas, 2 green mambas, 7 boomslang, 27 puff adders and 3 cobras.
我怎么知道我的宝宝得了扁头综合征？
万向连接轴是许多工程机械的传动连接部件，由于应力集中的影响，连接轴的叉头和扁头经常发生破坏现象。
The universal joints are the very important components in mechanical engineering, and as the effect of stress concentration, the fork of the joint axis and the flat head are often damaged.
万向连接轴是许多工程机械的传动连接部件，由于应力集中的影响，连接轴的叉头和扁头经常发生破坏现象。
The universal joints are the very important components in mechanical engineering, and as the effect of stress concentration, the fork of the joint axis and the flat head are often damaged.
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