S

spotface锪平(切鱼眼、刮平孔口处)

spotfacing tool 锪刀

spray coating喷涂

spray lacquer喷漆

spring (lock) washer弹簧垫圈

spring seat弹簧座

spring washer弹簧垫圈

spring弹簧

spur bevel gear直齿圆锥齿轮

spur gear直齿圆柱齿轮

spur pinion直齿小齿轮

spur rack齿条

SQ FT square foot 平方英尺

SQ IN square inch 平方英寸

SQ or ? or ? square 平面(方)的、矩形

square 方形

square lined paper 方格纸

square thread方形(矩形)螺纹

SR spherical radius 球半径

standard drawing sheet sizes标准图纸尺寸

standard screw标准螺纹

standard tolerance标准公差

STD standard 标准、规格

steel钢

STL steel 钢

STL CSTG steel casting 铸钢

straight knurling 直纹滚花

straight line直线

straight-line generatrix直母线

straightness直线度

straight-shank machine countersink直沉孔钻

stress concentration应力集中

stretched length弹簧丝展开长度

strong steel高强度钢

structural steel (iron)结构钢

stud joint螺柱连接

stud双头螺柱

stuffing or gasket material填料

stuffing spacer填料垫

subassembly drawing部件装配图

super fine grinding超级精细研磨

superposition solids叠加体

support支架

surface roughness表面粗糙度

surface texture (charcteristics)表面质量特征

surface treatment表面处理

SWG standard wire gauge 标准线规

symmetry line 对称线

symmetry对称

symmetry对称度

synthetic rubber合成橡胶