Heart and Crown of anterior teeth Crown and columns, mainly to appearance issues, or because ivory leaving too little reason.
因此前牙做牙冠及柱心冠心，主要是为了美观问题，或是因为齿质剩下太少的缘故。
The framework of the long-stroke pumping unit with compound crown sheave consists of a flat frame with four columns, two cantilever beams and two back legs.
复合天轮式长冲程抽油机主架由四柱扁框架、两个悬臂梁和两个后支腿组成。
Set 10 metres above the forest floor in the crown of a tall pine tree and supported by 12 columns, the 7th Room provides views out over Swedish Lapland, to the Lule River and of the aurora borealis.
第7间小屋位于一棵高大的松树树冠上，离地10米高，由12个柱子进行支撑，可欣赏到瑞典拉普兰、吕勒河和北极光的景色。
Set 10 metres above the forest floor in the crown of a tall pine tree and supported by 12 columns, the 7th Room provides views out over Swedish Lapland, to the Lule River and of the aurora borealis.
第7间小屋位于一棵高大的松树树冠上，离地10米高，由12个柱子进行支撑，可欣赏到瑞典拉普兰、吕勒河和北极光的景色。
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