工程图学专业词汇英语翻译
双极双投开关 double pole double throw switch双直纹面 double ruled surface双直线翘曲面 double ruled warped surface双倍比例尺 double size双纹螺纹 double start screw thread双列对接 double strap buttjoint双纹螺纹 double thread复游标 double vernier双列铆钉搭接 double-riveted lap joint燕尾 dovetail燕尾槽 dovetail groove燕尾缝 dovetail seam合钉，定位销 dowel下倾角 downward inclination径节 DP(diametial pitch)制图者 DR(drawn by)钻，钻孔 DR(drill)设计图，草图 draft拔模角 draft angle拔模斜度 draft taper制图胶带 draftin tape制图 drafting制图板 drafting board制图胶片 drafting film制图仪，绘图仪 drafting machine 语际翻译 版权所有
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