Clouds of stars and glowing gas, with patches of darkening dust, mark the slow-changing spiral patterns of the Galaxy disk.
点缀着暗淡尘埃的团团恒星和发光星云，标记着银河系缓慢变化的旋涡外形。
Clouds of stars are glowing gas, with patches of darkening dust, mark the slow-changing spiral patterns of the Galaxy disk.
星云由发光的气体组成，其间夹杂暗色的尘埃。这种明暗相间的组成标示了银河系缓慢的漩涡运动。
I want to like this does not stick that dust clouds drifting across the sky in Indonesia, to the left a beautiful mark on here.
我希望自己如同这不沾一点尘埃的白云，飘过印尼的天空，给这里留下一段美丽的印记。
The main mark for the classification of the bag-house is the dust cleaning method.
清灰方法是袋式除尘器分类的主要标志，不同的结构形式适用于各种不同工况的需要。
The main mark for the classification of the bag-house is the dust cleaning method.
清灰方法是袋式除尘器分类的主要标志，不同的结构形式适用于各种不同工况的需要。
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