?滑套法兰

...平焊环松套法兰(pj/rj)、衬里法兰盖(bl(s))、法兰盖(bl) 滑套法兰(包孕平焊法兰) slip-on flange (so); slip-on welding flange 法兰面加工 facing finish ..

?平焊法兰

... 螺纹法兰 threaded flange 平焊法兰 slip-on welding flange 承插焊法兰 socket welding flange ...

?突缘短节

... 平焊环 welding-on collar 突缘短节 stub end; slip-on welding flange 承插焊法兰 socket welding flange ...