91丁香婷婷激情五月天_国产统美女还点进去直接看视频_在线观看亚洲AV无码_日韩免费无码视频号_sm露出久久久98色堂_五级黄高潮片90分钟_97色色不在线日韩一二三_动漫男操女在线观看

        每一行做國際外貿(mào)都需要熟悉自己行業(yè)的術(shù)語，如果不熟悉術(shù)語好難開展業(yè)務(wù)，你還因?yàn)樾g(shù)語頭疼嗎？小編整理一些跟彈簧術(shù)語如下：

1.彈簧基本參數(shù)  Basic parameters of spring

線徑?Wire?diameter??(d)?  

外徑?Outside?of?diameter??(O.D)?

內(nèi)徑?Inside?of?diameter??(I.D)?

中心徑?Mean?coil?diameter??(C.D)??

有效圈數(shù)?Active?coil?Number??(Na)?

總?cè)?shù)?Total?number?of?coils??(Nt)?

自由長度?Free?length??(F.L)?

自由高度?Free?height?

自由角度?Free?angle?

卷方向?Winding?

右旋?Right?hand?screw?

           左旋?Left?hand?screw?

2彈簧表面處理  Spring surface treatment 
閉端研磨?Closed?and?ground?

低溫?zé)崽幚?Low?temperature?heat?treatment?

防銹油?Prevent?rust?oil?

電鍍?Electroplating?

電解?Electrolytic?

鍍洛?Chroming?鍍鋅?Zinc-plating?

五彩鍍鋅?Colored-plating?

染黑?Black-dyeing?

烤漆?Paint?drying?

鈍化?Passivating?

強(qiáng)壓(拉、扭)處理?Prestressing?

氫脆變?Hydrogen?embrittlement

3.彈簧端口處理

閉收口?Closed?ends?

開口不磨平?Open?ends,?not?ground?

開口磨平?Open?ends?ground

兩端閉合并磨平?Ends?closed?and?ground?flat?

磨平閉收口?Closed?and?ground?end?