Flat Triangle Pass 平三角孔型
deal with flat triangle 平坦三角形处理
Flat Up Triangle 平面正向三角形
Flat Left Triangle 平面左向三角形
Baptistery is located in the west of the church, flat triangle, diameter 274 m.
洗礼堂位于教堂以西，平面三角形，直径274米。
The quantity of the triangle can be improved in pair or the bottom-height ratio of the flat triangle can be changed, so as to change the shape and the reversal of the toy.
可以成双增加三角体的数量或改变平面三角的底高比例，使玩具形状和翻转发生变化。
A circular hole equals to the cylinder of the jointing component and gaps through which the nylon can fall down are reserved in the vicinity of the opposite Angle at the bottom of the flat triangle.
在平面三角底边对角的近处，预留下与连体构件的圆柱体相当的圆洞和尼龙丝可以落下的缝隙。
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