... 为什么要这钱？ ? Why would this cost? 基圆直径 ? Basic circle diameter 你说所有的所有，都只为了你 ? You say all in all, only for you ...
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?基因直径
basic circle diameter基因直径 basic design feature 基本设计要素 ..
双语例句
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Circular cylinder is a basic move along a straight line trajectory can be considered as a collection of the same diameter of the circle, if the horizontal section of film, then it is a straight line.