high-velocity tube高速: high speed; high velocity; h ...管: pipe; tube高速管道: high-velocity duct; high-velocityduct高速管绞机: high speed tubular stranding machine变速管: velocity variation tube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:高速管,即可在微信中查询翻译