S形封头 s-head
S型封头 s-head
鞍形封头 saddle-shaped end closure
凹形封头 concave head
半球形封头 Semi spherical head; hemispherical primary head
半球型封头 hemispherical head
变径封头成形 reduced head shaping
标准碟型封头 standard butterfly head
标准封头 Standard close over
标准椭圆封头 standardellipsoidal head; standard elliptical head; ellipsoidal head; standard ellipsoidal head; standard elliptical dished head
标准椭圆形封头 standard elliptical head
薄壁封头 laminose formed head
不对称封头 Asymmetric head
成形封头 completed convex head
冲压封头 bumped head
错排孔板型封头结构 staggered perforated plate header configuration
大型薄壁椭圆封头 Welding of heavy thin-wall ellipse head
大型带法兰封头 Large Head with Flange
大直径封头 large diameter dome
大直径高压球封头 large diametral spherical heads used in high pressure vessel; large diametral spherical heads used in high press