id	keyword
ajst-23604	joints
ajst-23604	pipe
ajst-23604	steel
ajst-23604	square
ajst-23604	steel pipe
ajst-23604	capacity
ajst-23604	bearing
ajst-23604	branch
ajst-23604	round
ajst-23604	bearing capacity
ajst-23604	pipe joints
ajst-23604	tube