The structure of the oil remover includes a cylinder-shape outer shell jointed by two half.
其结构是,它包括两半合对在一起的筒状外壳。
A double-starlike tree is a graph with two stars (whose sizes need not be equal) jointed by a path.
两个大小不一定相等的星图由一条路连接而成的图叫做似双星树。
Photic inner bag can be set in the facing, the face can jointed by several photic polygon leathers.
在皮面内还可设透光的内胆,皮面则可由多块多边形皮革块用可透光的拼接条拼接而成。
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