常用术语（英汉对照）
投影 projection
投影中心center of projection
投影面projecting plane
投影线projecting line
中心投影法perspective projection
平行投影法parallel projection
斜投影oblique projection
正投影orthographic projection
正投影面frontal plane of projection
侧面投影面profile plane of projection
投影图projection drawing
三面投影图three-plane projection drawing
投影轴axis of projection
投影特性characteristic of projection
不变性characteristic of true
积聚性characteristic of concentration
类似性characteristic of similarity
视图view
三视图three-view drawing
正面frontal plane
正面投影frontal projection
水平面horizontal plane
水平投影horizontal projection
侧面profile plane
侧面投影profile projection
主视图frontal view
俯视图top view
左视图left side view
立体solid
平面立体plane body
曲面立体body of curved surface
回转面surface of revolution
棱柱prism
棱锥pyramid
边side
顶点center vertex
棱edge
点point
直线line straight line
棱锥台truncated pyramid
frustum of pyramid
重影coincidence of projection
积聚concentrate
变形deformation
实长true length
实形true shape
正平线frontal line
水平线horizontal line
侧平线profile line
一般位置直线oblique line
铅垂线vertical line, frontal-profile line
正垂线horizontal--profile line
侧垂线frontal-horizontal line
一般位置平面oblique plane
相交intersection
平行parallel
垂直perpendicular
交线intersecting line, line of intersection
交点point of intersection
平行线parallel line
垂直线perpendicular line
交叉线skew line
长度length
宽度width
高度height
组合体complex
基本几何体basic body
相接built-up
相交inter section
相切tangent
相贯penetration
支架brace
底板bottom board
肋rib
支承板bearing plate
轮廓线outline, contour line
底图traced drawing
截平面cutting plane
截交线line of section
二重性dual nature
平面曲线plane curve
圆弧arc
椭圆ellipse
长轴major axis
短轴minor axis
双曲线hyperbola
抛物线parabola
圆circle
圆锥顶conic apex
相贯体intersecting bodies
相贯线line of intersection
空间曲线space curve
截平面方法cutting plane method
辅助面auxiliary surface
thread技术辅助平面auxiliary plane
最高点culminating point
尺寸Size
定形尺寸size dimension
定位尺寸location dimension
左视图right view
后视图rear view, back view
仰视图bottom view
辅助图auxiliary view
局部视图partial view, broken view
斜视图oblique view
旋转视图revolved view, aligned view
剖视图sectional view, section
全剖视full section
半剖视half section
局部剖视图partial section, broken-out section
斜剖视图oblique section
旋转剖视图aligned section
阶梯剖视echelon section, offset section
复合剖视compound section
剖面图section, sectional view
重合剖面coincide section, revolved section
移出剖面removed section
剖面线section line
剖面符号symbols for section-lining
习惯画法conventional drawing
局部放大图 drawing of partial enlargement
零件图detail drawing, working drawing
第三角投影third angle projection
粗实线continuous thick line, full line, visible line
细实线continuous thin line
虚线dot line, dashed line, hidden line
点划线dash and dot line
双点划线double dots line
波浪线break line
断裂线
剖切平面迹线cutting plane line
尺寸线dimension line
尺寸界线extension tine
尺寸dimension size
箭头arrowhead
基准datum
基准线datum line
基准面datum plane
中心孔central hole
中心距center distance
轴shaft, axle
孔hole
斜孔inclination
装配图assembly drawing
性能尺寸characteristic dimension
大小尺寸size dimension
总体尺寸outer dimension
外形尺寸
配合尺寸fit dimension
内圆角fillet
外圆角round
尖角sharp corner
倒角chamfer
轮缘flange of wheel
缘、边、环rim
轴肩shoulder
凸台boss
凹坑concave pit
轴颈shaft neck
轮毂hub
轮辐spoke, spoke of wheel
直纹滚花straight knurling s
网纹滚花hatching knurling
键槽key-way
退刀槽escape
拔模斜度pattern draft
填料盒gland box
油槽oil groove
油封oil seal
标准件standard parts
螺纹thread
外螺纹external thread
内螺纹internal thread
大径major diameter
小径minor diameter
螺距pitch of thread
牙型form of thread
旋向direction of turning
右旋螺纹right-hand thread
左旋螺纹left-hand thread
头数number of thread
导程lead
粗牙coarse thread
细牙fin thread