本文介绍了连发弹道摄影经纬仪特有的可移动玻璃底板的宽调速方案设计。
A design was presented for wide sped governing scheme of movable glass plate unique to theodolite for fire away trajectory photography.
在坚固的和可重复使用的可移动盖豪华储物箱包装，这种收集大，五颜六色乐高得宝的经典作品，包括砖，底板。
Packaged in a sturdy and reusable deluxe storage box with removable lid, this collection of big, colorful LEGO DUPLO pieces includes lots of classic bricks and more.
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