channel rod coupling槽: trough; manger铁: iron接头: connect; join; joint铸铁接头: cast-iron fitting槽铁: box iron; channel bar; channel iron; channel section iron; channel-section iron; trough iron; u-iron下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:槽铁接头,即可在微信中查询翻译