1、section-lining symbols 剖面符号full section 全剖half section 半剖视broken-out section 局部剖视revolved section 重合断面removed section 移出断面angular section 斜剖视offset section 阶梯剖aligned section 旋转剖compound section复合剖视图arrowhead 箭头capital letter 大写字母label the cutting plane 标注剖切平面(conventional) break 断开画法partially enlar
2、ged view 局部放大图scale 比例rib 肋spoke 轮辐valve 阀First-angle projection 第一角投影Third-angle projection 第三角投影standard piece 标准件(screw) thread 螺纹helical thread 螺旋线internal thread / female thread 内/阴螺纹external thread / male thread 外/阳螺纹thread form 螺纹牙形thread angle 牙形角crest 牙顶root 牙底major diameter 大径minor diamete
3、r 小径pitch diameter 中径nominal diameter 公称直径thread pitch 螺距thread lead 导程single thread 单线螺纹multiple thread 多线螺纹left-hand thread 左旋螺纹right-hand thread 右旋螺纹standard thread 标准螺纹non-standard thread 非标准螺纹special thread 特殊螺纹metric thread 普通螺纹coarse thread 粗牙螺纹fine thread 细牙螺纹pipe thread 管螺纹non-screw sealed
4、pipe thread 非螺纹密封的管螺纹screw sealed pipe thread 用螺纹密封的管螺纹straight pipe thread 圆柱管螺纹tapered pipe thread 圆锥管螺纹acme thread or trapezoidal thread梯形螺纹acme external thread 梯形外螺纹acme internal thread梯形内螺纹square thread 方牙/形螺纹rectangular thread 矩形螺纹fastener 紧固件thread joint 螺纹联接bolt 螺栓stud 螺柱screw 螺钉set screw 紧定
5、螺钉nut 螺母washer 垫圈lock washer 弹簧垫圈steel 钢cast iron 铸铁bronze 青铜aluminum alloy 铝合金key joint 键联接flat key 平键woodruff key 半圆键keyway or keyslot (轮上)键槽keyseat or keyseating (轴上)键槽pin joint 销联接straight pin 圆柱销taper pin 圆锥销rolling bearing 滚动轴承bush bearing or friction bearing 滑动轴承gear 齿轮spur gear直齿圆柱齿轮oblique
6、tooth gear or skew gear 斜齿轮worm gear 蜗轮worm 蜗杆reference circle or standard pitch circle分度圆root circle 齿根圆tip circle 齿顶圆pitch 齿距tooth thickness 齿厚tooth addendum 齿顶高tooth dedendum 齿根高central distance 中心距spring 弹簧cylindrical helical compression spring 圆柱螺旋压缩弹簧fillet-interior corner 内圆角round-exterior co
7、rner 外圆角run-out 过渡圆角run-out line过渡线(transition line)chamfer 倒角relief grooves for grinding wheels 砂轮越程槽tool recess 退刀槽flange (机械等的)凸缘 法兰slot(尤指机器上供插入某物所用的)狭长孔;狭缝,槽沟an open-end slot 开口狭槽(U形槽等)convex plate 凸台concave pit 凹坑shaft 轴wheel 轮box 箱体bracket支架(support stand)nominal size 公称尺寸datum 基准end face端面ho
8、le 孔countersunk hole 锥形沉孔counterbored hole 柱形沉孔spotfaced hole锪平孔tapped hole or thread hole 螺纹孔tapered hole锥形孔clearance hole 光孔blind hole 盲孔pinhole 销孔centre hole 中心孔technical requirement/specification 技术要求surface roughness/finish 表面粗糙度/质量interchangeability 互换性tolerance 公差deviation 偏差upper deviation 上
9、偏差lower deviation 下偏差basic size or basic dimension基本尺寸limit size/dimension 极限尺寸maximum limit of size 最大极限尺寸minimum limit of size 最小极限尺寸standard tolerance 标准公差fundamental/basic deviation 基本偏差tolerance zone 公差带fit 配合fit system 配合制度clearance fit 间隙配合transition(al) fit 过渡配合interference fit 过盈配合basic hol
10、e system 基孔制basic shaft system 基轴制hole-basis preferred fit 基孔制优先配合shaft-basis preferred fit 基轴制优先配合tolerance of form and position 形位公差geometric tolerance 几何公差straightness 直线度flatness 平面度roundness or circularity 圆度cylindricity 圆柱度profile of a line 线轮廓度profile of a surface 面轮廓度parallelism 平行度perpendic
11、ularity 垂直度angularity 倾斜度concentricity 同轴(同心度)symmetry 对称度position 位置度circular runout 圆跳动total runout 全跳动detail drawing 零件图working drawing 工作图title block/strip 标题栏item block 明细栏item numbers 零件序号assembly drawing 装配图pump 泵base底座cutting tool切削工具AutoCAD commandpoint 点line 直线construction line 构造线polyline
12、 多线(多义线)polygon 多边形rectangle 矩形arc 圆弧circle 圆revision cloud 云线spline 样条线ellipse 椭圆ellipse arc 椭圆弧make/insert block 制作/插入块hatch 剖面gradient hatch 渐变剖面region 域table 制表multiline text 多行文本erase 擦除/删除copy 复制mirror 镜像offset 偏移array 阵列polar/rectangular array 圆周/矩形阵列move 移动rotate 旋转scale 缩放stretch伸缩trim 修剪ex
13、tend 延伸lengthen 加长break 打断join 连接fillet 圆角explode 分解text style 文本样式font 字体dimension style 尺寸样式layer 图层line width/weight 线宽solid line 实线continuous line 连续线(2)环境的非使用价值。环境的非使用价值(NUV)又称内在价值,相当于生态学家所认为的某种物品的内在属性,它与人们是否使用它没有关系。hidden/dashed line 隐藏/虚线center line 中心线phantom line 双点画线(3)环境影响评价中应用环境标准的原则。thi
14、ck/thin line粗/细实线4.选择评价方法file 文件edit 编辑view 视图insert 插入format 格式tools 工具3.规划环境影响报告书的审查效力draw 绘图表三:周围环境概况和工艺流程与污染流程;dimension 尺寸modify 修改5.定性、定量评价window 窗口(三)环境价值的定义object snap 对象捕捉发现规划存在重大环境问题的,审查时应当提出不予通过环境影响报告书的意见;properties 特性match properties 特性匹配zoom 窗口缩放1.环境影响评价工作等级的划分line type scale 线型比例(一)安全评价的内涵option 选项command 命令
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