rolling out
涨开心轴 [机] expanding arbor ; expanding mandrel
涨缩芯轴式开卷机 mandrel-type decoiler
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如果发生撞车，气袋会充气涨开保护前座的乘客。
The air bag would inflate in event of a collision to cushion front seat passengers.
欧洲东南的树种，有黄色的象芥末的花，涨开的豆荚象小圆盾。
Plant of southeastern Europe having yellow flowers like those of mustard and pods with open valves resembling bucklers .
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