| 释义 |
1. | 圆形计算盘 36测量学_馆档网 ... "圆罗针"," circular compass" "圆形计算盘,圆形计算尺"," circular computer" "圆曲线"," circular curve" ... www.guandang.com | 2. | 圆形计算尺 36测量学_馆档网 ... "圆罗针"," circular compass" "圆形计算盘,圆形计算尺"," circular computer" "圆曲线"," circular curve" ... www.guandang.com |
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