加工成承插焊和螺纹混合的连接型式。
Fittings can also be processed into the combination models of socket and threading.
目前有三种不同类型:带螺纹的,碰焊,承插焊接。
There are available in three different kinds: threaded, butt-weld, and socket weld.
目前有三种不同类型:带螺纹的,碰焊,承插焊接。
The end flange is available in either threaded, or socket-weld styles.
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