工程图常用英语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螺栓bolt螺钉screw螺柱stud螺母nut垫片washer公差tolerance公差带tolerance zone零线zero line标准公差standard tolerance公差等级tolerance grade基本偏差fundamental deviation配合fit间隙配合clearance fit过盈interference过盈配合interference fit过渡配合transition fit基孔制hole-basic system of fits 基轴制shaft-basic system of fits间隙clearance齿轮gear圆柱齿轮cylindrical gear正齿轮spur gear斜齿轮spiral gear轮齿gear tooth节圆pitch circle齿顶圆addendum circle, outside circle齿根圆root circle, addendum circle模数modulus齿数number of teeth齿高tooth height齿顶高height of addendum齿根高height of addendum齿厚circular thickness齿间tooth space齿宽tooth width压力角angle of pressure弹簧spring销pin圆柱销round pin圆锥销taper pin开口销cotter pin, split键key平键flat key半圆键half round key, woodruff key轴承bearing滚动轴承rolling bearing向心铀承radial bearing密封装置sealing equipment锁紧装置locking equipment粗糙度roughness基本尺寸basic size实际尺寸actual size极限尺寸limits size最大极限尺寸maximum limit of size最小极限尺寸minimum limit of size偏差deviation上偏差upper deviation下偏差lower deviation形状公差tolerance in form, form tolerance垂直度perpendicularity倾斜度angularity同轴度concentricity对称度symmetry位置度true position直线度straightness平面度flatness圆度roundness圆柱度cylindricity线轮廓度profile of any line面轮廓度profile of any plane位置公差tolerance in position, position tolerances平行度 parallelism跳动run-out圆跳动cycle run-out全跳动total run-out 轴测投影axonometric projection轴测投影面plane of axonometric projection轴测图axonometric drawing正等轴测投影isometric projection正二测bimetric projection斜二测oblique bimetric projection轴测轴axonometric axis轴间角axis angle, angle between ales缩短foreshortened轴向缩短率coefficient of axialdeformation ratio of fore shortening for any axis切割法cutting method, by cutting方箱法boxing method坐标法coordinate method方框法enclosing-square method四心近似法four-center approximate method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fille。