单词	steel pipe
释义	steel pipe [机] 钢管
随便看	catalyst precursor composition catalyst pretreatment catalyst promoter catalyst ratio catalyst reaction catalyst reactivation catalyst receiver catalyst recovery catalyst reducer catalyst reduction catalyst refucer catalyst regeneration catalyst residence time catalysts catalyst scrubber column catalyst selectivity catalyst separating catalyst separation catalyst settler catalysts for environmental protection catalyst shrinkage catalyst space catalyst spraying catalyst spraying process catalyst stability qjzh qjzj qjzm qjzqfyhzy qjzz qkbd qkbs qkby qkbz qkdg 知恵ノ輪知恵熱知恵者知恵袋知悉知情意知慮知日知略知的