工程图学专业词汇英语翻译
影域 umbra统一标准粗螺纹级 UNC(unified coaress thread series)下偏差 under deviation地下系统 under floor system让切，过切(齿轮)，过熔(低焰) undercut地下主线管 underground main数字下有划线之尺寸 underlined dimension下面加画横线 underlining不能展开曲面 undevelopable surface无尺寸之视图 undimensioned view统一标准特细螺纹级 UNEF(unified extra-fine thread series)不等边角钢 unequal-leg angle不等边填角熔接道 unequal-leg fillet weld统一标准细螺纹级 UNF(unified fine thread series)不加工螺栓 unfaced bolt非加工面尺寸 unfinished dimension非加工面 unfinished surface单向注尺寸制 unidirectional dimensions system单向制 unidirectional system统一螺纹配合等级 unified screw-thread class统一螺纹 unified thread等粗线 uniform line单向公差 unilateral tolerance单向公差制 unilateral tolerance method单向公差制 unilateral tolerance system 语际翻译 版权所有
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