... 折边标准碟形封头 flanging standard dishes head; standard dishes head 折边平封头 flanging-only head 折边锥形封头 toriconical head ...
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另无折边锥形封头也有直边对接部分。
Another without ruffled taper sealing head has straight edge docking part.
而折边锥形封头一般焊接于两公称直径不同的筒体中间,使两公称直径不同的筒体连为一体!
While ruffled tapered header general welding in two different nominal diameter of cylinder, make two nominal diameter of different cylinder is an organic whole repeatedly!
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